multimedia/vlc: prevent silent grab several libs, add dependency from devel/abseil to CHROMECAST, make portclippy happy
- Add options ARIBSUB and SRT.
- Add libabsl_base.so:devel/abseil to CHROMECAST_LIB_DEPENDS.
- Sort options to make portclippy happy.
- Remove GNU_CONFIGURE_MANPREFIX.
- Prevent silent grab aribb25.
PR: 278916
Approved by: multimedia (maintainer, timeout 2 weeks)