include stdint.h for int32_t/uint32_t

Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Reviewed-by: Yong Bakos <ybakos@humanoriented.com>
diff --git a/shared/frame.c b/shared/frame.c
index 1b67eb1..9cd44c6 100644
--- a/shared/frame.c
+++ b/shared/frame.c
@@ -27,6 +27,7 @@
 
 #include "config.h"
 
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <wayland-util.h>