Merge pull request #2300 from ulion/fix_simple_file_cache_seek_wait_data_amount

Fix the WaitData amount in CSimpleFileCache::Seek, count from read pos.
Merge pull request #2307 from ulion/fix_redirected_shoutcast_ticket_12729

Fix redirected shoutcast ticket 12729
fixed: (Cosmetic) C&P error
[gles] fix compiler warning
[gles] fixed, m_iVSyncMode var in two places with different type, opps. pick one, please
Fix: now mp4 file on internet url can be played by dvdplayer by double session support of cache.