[Ada] System.Os_Lib: minor reformatting

2018-05-29  Pascal Obry  <obry@adacore.com>

gcc/ada/

	* libgnat/s-os_lib.adb: Minor reformatting.

From-SVN: r260871

gcc/ada/ChangeLog

+2018-05-29  Pascal Obry  <obry@adacore.com>
+
+	* libgnat/s-os_lib.adb: Minor reformatting.
+
 2018-05-29  Doug Rupp  <rupp@adacore.com>
 
 	* libgnat/a-calend.adb (Epoch_Offset): Move from body to ...

gcc/ada/libgnat/s-os_lib.adb

@@ -2234,6 +2234,7 @@ package body System.OS_Lib is
       --  the path itself, the current directory if the path is relative,
       --  and additional fragments up to Max_Path in length in case
       --  there are any symlinks.
+
       Start, Finish : Positive;
       Status        : Integer;
 
@@ -2263,7 +2264,6 @@ package body System.OS_Lib is
       --    * Remove all double-quotes
 
       if On_Windows then
-
          --  Replace all '/' by '\'
 
          for Index in 1 .. End_Path loop
@@ -2324,7 +2324,6 @@ package body System.OS_Lib is
       --  empty string.
 
       for J in 1 .. Max_Iterations loop
-
          Start  := Last + 1;
          Finish := Last;
 
@@ -2378,6 +2377,7 @@ package body System.OS_Lib is
 
                   return Path_Buffer (1 .. Last - 1);
                end if;
+
             else
                Path_Buffer (Last + 1 .. End_Path - 2) :=
                  Path_Buffer (Last + 3 .. End_Path);