Add missing "static"

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5184 c046a42c-6fe2-441c-8c8c-71466251a162

vl.c

@@ -8210,7 +8210,7 @@ static void termsig_handler(int signal)
     qemu_system_shutdown_request();
 }
 
-void termsig_setup(void)
+static void termsig_setup(void)
 {
     struct sigaction act;