[PATCH] export allow_signal()

Export allow_signal().  It's needed by lockd, sunrpc and other modules.

kernel/exit.c

@@ -294,6 +294,7 @@ int allow_signal(int sig)
 	return 0;
 }
 
+EXPORT_SYMBOL(allow_signal);
 
 /*
  *	Put all the gunge required to become a kernel thread without