Brad Fitzpatrick 7883e5c5e7 go.mod: restore staticcheck module, make it stick around, go mod tidy ...

It kept coming & going as different people ran go mod tidy and others
ran staticcheck.

Make it stop going away with go mod tidy by adding a dep to it.

2020-07-02 22:55:14 -07:00

..

staticcheck.go

go.mod: restore staticcheck module, make it stick around, go mod tidy

2020-07-02 22:55:14 -07:00