Revision 320314

- Update libcec to 2.1.3
- Distfile is available on GH not GHC
- Use pathfix instead of manual REINPLACE
- gmake and _FILE_OFFSET_BITS are not needed
- USE_AUTORECONF does not exist
- Add a pkg-message about permissions needed
- Update adapter detection patch

PR:		ports/177391
PR:		ports/179331
Submitted by:	Mickael Maillot, Manuel Creach (maintainer)