DVB Subtitles: Fix a crash with some subtitles streams.

Correctly follow the specs when parsing the display size.

This commit fixes #2931.
build.bat, mpc-hc_setup.iss : add ICL13 support
Cppcheck fixes (WIP)
AudioParser.h: apply astyle
comment unused function
astyle missed this
update ffmpeg/config.h
update ffmpeg (n0.8-19234-g46d52a0)

Notes: broken atm because our custom files need to be updated too

* libavcodec/h264_dxva.c
* libavcodec/h264_recov.c
* libavcodec/vc1_dxva.c
update MediaInfo to 0.7.62 r5395 and ZenLib to r430