lightmediascanner-0.5.2-bp157.1.6

- Build with ffmpeg

- Initial package

- Limit ffmpeg dependencies to ffmpeg-4 and older variant.

- Update to 0.5.2:
  * Fix a regression in lms_db_cache_resize
  * lighmediascanner_process: check the return of 'read()'.
  * wave: move in file before going to the next field.
  * Fix Coverity CID116112 - Untrusted pointer write
  * Fix Coverity CID116116 - Untrusted value as argument
  * Fix Coverity CID116111 - Untrusted value as argument
  * Fix Coverity CID116109 - Missing break in switch
  * Fix Coverity CID116106 - Logically dead code
  * Fix Coverity CID116115 - Integer overflowed argument
  * Fix Coverity CID116086 - Explicit null dereference.
  * Fix Coverity Issues (CID116113, CID116114, CID116118,
    CID116120)
  * Fix Coverity CID116102 - Dereference after null check
  * Fix Coverity CID116110 - Resource Leak
  * Fix Coverity CID116117 - Resource Leak
  * Fix Coverity CID116119 - Resource Leak
  * Fix Coverity CID116121 - Resource Leak
  * Merge pull request #18 from phako/master