gammu: use patch DSL
gbdfed: use patch DSL
gcab: use patch DSL
gdmap: use patch DSL
gearman: use patch DSL
geoip: use patch DSL
geomview: use patch DSL
ggobi: use patch DSL
mutt: update patches

Newer versions of mutt are currently 500ing on the Debian patch
tracker.
Merge remote-tracking branch 'Homebrew/master'