[ 18:49 riggs  ]

• 399011 multimedia/xvid/Makefile
• 399011 multimedia/xvid/distinfo
• 399011 multimedia/xvid/files/extra-patch-cflags
• 399011 multimedia/xvid/files/patch-configure

Update to upstream version 1.3.4 [1], take maintainership [2]

While on it:
- Handle CFLAGS with xvid's build system [2]
- Remove superfluous ln -sf in post-patch (now handled by
  xvid's build system) [2]
- Pet portlint [2]

PR:		203626
Submitted by:	w.litter@aon.at [1]
Reviewed by:	riggs [2]