[Ada] System.Linux: fix typos in comments

2019-07-05  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* libgnarl/s-linux.ads, libgnarl/s-linux__alpha.ads,
	libgnarl/s-linux__android.ads, libgnarl/s-linux__hppa.ads,
	libgnarl/s-linux__mips.ads, libgnarl/s-linux__riscv.ads,
	libgnarl/s-linux__sparc.ads: Fix typos in comments.

From-SVN: r273117

gcc/ada/ChangeLog

+2019-07-05  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnarl/s-linux.ads, libgnarl/s-linux__alpha.ads,
+	libgnarl/s-linux__android.ads, libgnarl/s-linux__hppa.ads,
+	libgnarl/s-linux__mips.ads, libgnarl/s-linux__riscv.ads,
+	libgnarl/s-linux__sparc.ads: Fix typos in comments.
+
 2019-07-05  Hristian Kirtchev  <kirtchev@adacore.com>
 
 	* sem_res.adb (Check_Infinite_Recursion): Reimplemented.

gcc/ada/libgnarl/s-linux.ads

@@ -82,7 +82,7 @@ package System.Linux is
    SIGILL     : constant := 4; --  illegal instruction (not reset)
    SIGTRAP    : constant := 5; --  trace trap (not reset)
    SIGIOT     : constant := 6; --  IOT instruction
-   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
    SIGFPE     : constant := 8; --  floating point exception
    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
    SIGBUS     : constant := 7; --  bus error

gcc/ada/libgnarl/s-linux__alpha.ads

@@ -82,7 +82,7 @@ package System.Linux is
    SIGILL     : constant := 4; --  illegal instruction (not reset)
    SIGTRAP    : constant := 5; --  trace trap (not reset)
    SIGIOT     : constant := 6; --  IOT instruction
-   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
    SIGFPE     : constant := 8; --  floating point exception
    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
    SIGBUS     : constant := 10; --  bus error

gcc/ada/libgnarl/s-linux__android.ads

@@ -82,7 +82,7 @@ package System.Linux is
    SIGILL     : constant := 4; --  illegal instruction (not reset)
    SIGTRAP    : constant := 5; --  trace trap (not reset)
    SIGIOT     : constant := 6; --  IOT instruction
-   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
    SIGFPE     : constant := 8; --  floating point exception
    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
    SIGBUS     : constant := 7; --  bus error

gcc/ada/libgnarl/s-linux__hppa.ads

@@ -82,7 +82,7 @@ package System.Linux is
    SIGILL     : constant := 4; --  illegal instruction (not reset)
    SIGTRAP    : constant := 5; --  trace trap (not reset)
    SIGIOT     : constant := 6; --  IOT instruction
-   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
    SIGEMT     : constant := 7; --  EMT
    SIGFPE     : constant := 8; --  floating point exception
    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)

gcc/ada/libgnarl/s-linux__mips.ads

@@ -82,7 +82,7 @@ package System.Linux is
    SIGILL     : constant := 4; --  illegal instruction (not reset)
    SIGTRAP    : constant := 5; --  trace trap (not reset)
    SIGIOT     : constant := 6; --  IOT instruction
-   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
    SIGEMT     : constant := 7; --  EMT
    SIGFPE     : constant := 8; --  floating point exception
    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)

gcc/ada/libgnarl/s-linux__riscv.ads

@@ -82,7 +82,7 @@ package System.Linux is
    SIGILL     : constant := 4; --  illegal instruction (not reset)
    SIGTRAP    : constant := 5; --  trace trap (not reset)
    SIGIOT     : constant := 6; --  IOT instruction
-   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
    SIGBUS     : constant := 7; --  bus error
    SIGFPE     : constant := 8; --  floating point exception
    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)

gcc/ada/libgnarl/s-linux__sparc.ads

@@ -81,7 +81,7 @@ package System.Linux is
    SIGQUIT    : constant := 3; --  quit (ASCD FS)
    SIGILL     : constant := 4; --  illegal instruction (not reset)
    SIGTRAP    : constant := 5; --  trace trap (not reset)
-   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
+   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the future
    SIGIOT     : constant := 6; --  IOT instruction
    SIGEMT     : constant := 7; --  EMT
    SIGFPE     : constant := 8; --  floating point exception