Init dumb display if no others available.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3652 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vl.c b/vl.c
index 1586f12..166bacf 100644
--- a/vl.c
+++ b/vl.c
@@ -8458,6 +8458,8 @@
         sdl_display_init(ds, full_screen, no_frame);
 #elif defined(CONFIG_COCOA)
         cocoa_display_init(ds, full_screen);
+#else
+        dumb_display_init(ds);
 #endif
     }