Tristan van Berkom 0472c306d0 gstglwindow_x11.c: Fix colormap leak
This fixes an X server side memory leak, this is normally not severe
but in some circumstances where the glwindow is recreated frequently
it can result in a very bad memory leak.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4047>
2023-02-22 16:29:06 +00:00
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