Jun Zhao b99ed6e428 cmdutils: fix crash if no name for "ffmpeg -h protocol" ...

fix crash when used the command like:
- ffmpeg -h protocol
- ffmpeg -h protocol=

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

2020-01-30 12:50:22 -03:00

75 KiB

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