Merged
requested to merge tpm/gst-libav:backport-mr-114-into-1.18-fix-long_name-plugin-segfault into 1.18
Backport of !114 (merged) "avmux: fix segfault when a plugin's long_name is NULL".
Commits:
- ad7f7c87 avmux: fix segfault when a plugin's long_name is NULL