Squashed 'v4l2web/h264_v4l2_rtspserver/' content from commit 48a5021

git-subtree-dir: v4l2web/h264_v4l2_rtspserver
git-subtree-split: 48a5021429fd42a9c740a8b005b61537fe6b368e
Merge commit '46127f60a67862c248e16f5f7b634b95d346a821' as 'v4l2web/h264_v4l2_rtspserver'
fix warning
use git subtree to reference h264_v4l2_rtspserver