ui: Clean up includes

Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1454089805-5470-2-git-send-email-peter.maydell@linaro.org
diff --git a/ui/vnc-enc-zrle-template.c b/ui/vnc-enc-zrle-template.c
index 70ae624..abf6b86 100644
--- a/ui/vnc-enc-zrle-template.c
+++ b/ui/vnc-enc-zrle-template.c
@@ -22,7 +22,7 @@
  */
 
 
-#include <assert.h>
+#include "qemu/osdep.h"
 
 #undef ZRLE_ENDIAN_SUFFIX