Avoids bit shift overflow warning with gcc6.
https://bugzilla.gnome.org/show_bug.cgi?id=767882 (glib)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71803 (gcc)
https://bugzilla.gnome.org/show_bug.cgi?id=767883
GST_MESSAGE_STREAM_START = (1 << 28),
GST_MESSAGE_NEED_CONTEXT = (1 << 29),
GST_MESSAGE_HAVE_CONTEXT = (1 << 30),
- GST_MESSAGE_EXTENDED = (1 << 31),
+ GST_MESSAGE_EXTENDED = (gint) (1u << 31),
GST_MESSAGE_DEVICE_ADDED = GST_MESSAGE_EXTENDED + 1,
GST_MESSAGE_DEVICE_REMOVED = GST_MESSAGE_EXTENDED + 2,
GST_MESSAGE_PROPERTY_NOTIFY = GST_MESSAGE_EXTENDED + 3,