Fix building with RTEMS_DEBUG.

cpukit/posix/src/sigsuspend.c

@@ -33,6 +33,9 @@ int sigsuspend(
 {
   sigset_t            saved_signals_blocked;
   sigset_t            current_unblocked_signals;
+#if defined(RTEMS_DEBUG)
+    int                 status;
+#endif
 
   /*
    *  We use SIG_BLOCK and not SIG_SETMASK because there may be
@@ -40,13 +43,24 @@ int sigsuspend(
    *  We want the signals to be caught inside sigtimedwait.
    *
    *  We ignore the return status codes because sigsuspend() is
-   *  defined to either terminate or return -1 with errno set to 
+   *  defined to either terminate or return -1 with errno set to
    *  EINTR.
    */
-  (void) sigprocmask( SIG_BLOCK, sigmask, &saved_signals_blocked );
+#if defined(RTEMS_DEBUG)
+    status =
+#else
+  (void)
+#endif
+      sigprocmask( SIG_BLOCK, sigmask, &saved_signals_blocked );
 
   current_unblocked_signals = ~(*sigmask);
-  (void) sigtimedwait( &current_unblocked_signals, NULL, NULL );
+
+  #if defined(RTEMS_DEBUG)
+    status =
+#else
+  (void)
+#endif
+      sigtimedwait( &current_unblocked_signals, NULL, NULL );
 
   (void) sigprocmask( SIG_SETMASK, &saved_signals_blocked, NULL );