object: add gst_clear_object().
This is based on g_clear_object(). Basically, you can use this instead
of using g_object_unref (which needs to be preceded by a NULL-check).
Patch from issue #275 (closed) converted into an MR.
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This is based on g_clear_object(). Basically, you can use this instead
of using g_object_unref (which needs to be preceded by a NULL-check).
Patch from issue #275 (closed) converted into an MR.