Updated LAV Filters to 0.60.1-9-0b641ef (custom build based on 0.60.1-4-d7a05e7)

Important changes:
 - LAV Video: Fix a crash when trying to decode WMV-3/VC1 with the DMO decoder unavailable (fixes #3929).
 - LAV Video: Fallback to avcodec for WMV3/VC-1 if the DMO decoder is not available.