overlaycomposition: Fix implicit use of memset

https://bugzilla.gnome.org/show_bug.cgi?id=797353

diff --git a/gst/overlaycomposition/gstoverlaycomposition.c b/gst/overlaycomposition/gstoverlaycomposition.c
index 48f39c1..a3c76f7 100644 (file)
--- a/gst/overlaycomposition/gstoverlaycomposition.c
+++ b/gst/overlaycomposition/gstoverlaycomposition.c
@@ -121,6 +121,8 @@
 #include "config.h"
 #endif
 
+#include <string.h>
+
 #include "gstoverlaycomposition.h"
 
 GST_DEBUG_CATEGORY_STATIC (gst_overlay_composition_debug);