travis: always 'go get -u' in 'before_install'
See
@@ -41,10 +41,10 @@ addons:
- libhunspell-dev
before_install:
- - go get -v github.com/chzchzchz/goword
- - go get -v honnef.co/go/tools/cmd/gosimple
- - go get -v honnef.co/go/tools/cmd/unused
- - go get -v honnef.co/go/tools/cmd/staticcheck
+ - go get -v -u github.com/chzchzchz/goword
+ - go get -v -u honnef.co/go/tools/cmd/gosimple
+ - go get -v -u honnef.co/go/tools/cmd/unused
+ - go get -v -u honnef.co/go/tools/cmd/staticcheck
# disable godep restore override
install:
