gstreamer/log: Replace % with %% in the debug message
Otherwise gst_debug_log() will look for further arguments that don't exist, and will likely crash or worse.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Otherwise gst_debug_log() will look for further arguments that don't exist, and will likely crash or worse.