Merge commit '39dc4a6bb34baf833ce1e5eabad7d0dbf933237d' into release/2.2
* commit '39dc4a6bb34baf833ce1e5eabad7d0dbf933237d': x86: dca: Add missing multiple inclusion guards gitignore: Add all examples below doc/examples arm: Mark the stack as non-executable doxygen: Replace @parblock syntax with manual linebreaks doxygen: Add a number of missing function parameter descriptions Conflicts: .gitignore libavformat/avformat.h All changes are already in our 2.2 branch, this is just for metadata Merged-by: Michael Niedermayer <michaelni@gmx.at>
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