[Ada] Correct documentation of -gnatw_C switch

2019-12-16  Bob Duff  <duff@adacore.com>

gcc/ada/

	* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
	Correct documentation of -gnatw_C switch
	* gnat_ugn.texi: Regenerate.

From-SVN: r279417

gcc/ada/ChangeLog

+2019-12-16  Bob Duff  <duff@adacore.com>
+
+	* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
+	Correct documentation of -gnatw_C switch
+	* gnat_ugn.texi: Regenerate.
+
 2019-12-16  Joel Brobecker  <brobecker@adacore.com>
 
 	* doc/gnat_ugn/building_executable_programs_with_gnat.rst

gcc/ada/doc/gnat_ugn/building_executable_programs_with_gnat.rst

@@ -3000,7 +3000,7 @@ of the pragma in the :title:`GNAT_Reference_manual`).
 .. index:: -gnatw_C  (gcc)
 
 :switch:`-gnatw_C`
-  *Suppress warnings on missing component clauses.*
+  *Suppress warnings on unknown condition in Compile_Time_Warning.*
 
   This switch supresses warnings on a pragma Compile_Time_Warning
   or Compile_Time_Error whose condition has a value that is not

gcc/ada/gnat_ugn.texi

@@ -11250,7 +11250,7 @@ The default is that such warnings are generated.
 
 @item @code{-gnatw_C}
 
-@emph{Suppress warnings on missing component clauses.}
+@emph{Suppress warnings on unknown condition in Compile_Time_Warning.}
 
 This switch supresses warnings on a pragma Compile_Time_Warning
 or Compile_Time_Error whose condition has a value that is not