MFH: r478691
- USE_GNOME also requires USES=gnome
- Switch to USES=localbase:ldflags
- Revert Makefile.tests and include more *_unittests
- Update patch file with missing WEBRTC_BSD macro
- Apply several patches from devel/googletest (thanks to jbeich@)
- Bump PORTREVISION
Approved by: ports-secteam (blanket)