github.com/golang/tools API change

[Dr-Terrible]

I got this compilation error while executing go get github.com/mdempsky/maligned with Go1.5.1:

./maligned.go:50: impossible type assertion:
*"golang.org/x/tools/go/types".Struct does not implement "go/types".Type (wrong type for Underlying method)
have Underlying() "golang.org/x/tools/go/types".Type
want Underlying() "go/types".Type

github.com/golang/tools introduced an API change for go/types around commit: golang/tools@2477c0d.

[Dieterbe]

+1

[dgryski]

Replacing the/x/tools/go/types with the standard go/types included with 1.6 makes this build again.