xvimagesink: Zero initialize mask array

Clear the stack array before setting bits to pass to
XISelectEvents(). Fixes spurious crash from an X error:

X Error of failed request:  BadValue (integer parameter out of range for operation)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3100>

diff --git a/subprojects/gst-plugins-base/sys/xvimage/xvcontext.c b/subprojects/gst-plugins-base/sys/xvimage/xvcontext.c
index 8579709..fbaee4e 100644 (file)
--- a/subprojects/gst-plugins-base/sys/xvimage/xvcontext.c
+++ b/subprojects/gst-plugins-base/sys/xvimage/xvcontext.c
@@ -1228,7 +1228,7 @@ gst_xwindow_set_event_handling (GstXWindow * window, gboolean handle_events)
 #ifdef HAVE_XI2
     if (context->use_xi2) {
       XIEventMask mask_data;
-      unsigned char mask[2];
+      unsigned char mask[2] = { 0, };
 
       gst_xwindow_select_touch_events (context, window);