Git fork

Merge branch 'sg/ci-osx-gcc8-fix'

CI build fix.

* sg/ci-osx-gcc8-fix:
ci: fix GCC install in the Travis CI GCC OSX job

+1
+1
ci/install-dependencies.sh
··· 48 brew install caskroom/cask/perforce 49 case "$jobname" in 50 osx-gcc) 51 brew link gcc@8 52 ;; 53 esac
··· 48 brew install caskroom/cask/perforce 49 case "$jobname" in 50 osx-gcc) 51 + brew link gcc || 52 brew link gcc@8 53 ;; 54 esac