ada: Fix build failure for Windows platforms

gcc/ada/ChangeLog:

	* libgnarl/s-interr__sigaction.adb: Add with clause for
	System.OS_Interface.

diff --git a/gcc/ada/libgnarl/s-interr__sigaction.adb b/gcc/ada/libgnarl/s-interr__sigaction.adb
index fa8ececdf0a097b22bd6703ce1d16c679ae80b23..9c6a9cf496528a5e4e3f577e3c600ed14c93e61d 100644 (file)
--- a/gcc/ada/libgnarl/s-interr__sigaction.adb
+++ b/gcc/ada/libgnarl/s-interr__sigaction.adb
@@ -36,6 +36,7 @@ with Ada.Unchecked_Conversion;
 
 with Interfaces.C;
 
+with System.OS_Interface;
 with System.Storage_Elements;
 with System.Task_Primitives.Operations;
 with System.Tasking.Utilities;