re PR ada/40609 (Ada build fails)

	PR ada/40609
	init.c (__gnat_error_handler): Add ATTRIBUTE_UNUSED to ucontext
	argument.

From-SVN: r149146

gcc/ada/ChangeLog

+2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR ada/40609
+	init.c (__gnat_error_handler): Add ATTRIBUTE_UNUSED to ucontext
+	argument.
+
 2009-07-01  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* init.c (__gnat_error_handler, Solaris): Add ATTRIBUTE_UNUSED marker.

gcc/ada/init.c

@@ -441,7 +441,9 @@ __gnat_error_handler (int sig, siginfo_t *siginfo, void *ucontext);
 
 static void
 __gnat_error_handler
-  (int sig, siginfo_t *siginfo ATTRIBUTE_UNUSED, void *ucontext)
+  (int sig,
+   siginfo_t *siginfo ATTRIBUTE_UNUSED,
+   void *ucontext ATTRIBUTE_UNUSED)
 {
   struct Exception_Data *exception;
   const char *msg;