Implement -no-quit option, by Xavier Gnata.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2239 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/sdl.c b/sdl.c
index e65dcac..b58e9d6 100644
--- a/sdl.c
+++ b/sdl.c
@@ -496,7 +496,9 @@
                 sdl_process_key(&ev->key);
             break;
         case SDL_QUIT:
-            qemu_system_shutdown_request();
+            if (!no_quit) {
+               qemu_system_shutdown_request();
+            }
             break;
         case SDL_MOUSEMOTION:
             if (gui_grab || kbd_mouse_is_absolute()) {