signals: Return NULL at SigThread end.

diff --git a/modules/control/signals.c b/modules/control/signals.c
index 7acf926808b0dfade8b513c72a07c794e8126e25..e8c2326c38245df63e23a2d2a016154873feb462 100644 (file)
--- a/modules/control/signals.c
+++ b/modules/control/signals.c
@@ -118,4 +118,7 @@ static void *SigThread (void *data)
     pthread_sigmask (SIG_UNBLOCK, &set, NULL);
     for (;;)
         pause ();
+
+    /* Not reached */
+    return NULL;
 }