cmd/go-vcs, vcs/hgcmd: update .../sourcegraph/go-diff/diff import path (#112)

It has changed in sourcegraph/go-diff#30.

Updates sourcegraph/go-diff#27

Author: dmitshur

cmd/go-vcs/go-vcs.go

@@ -15,7 +15,7 @@ import (
 	"time"
 
 	"github.com/kr/text"
-	"sourcegraph.com/sourcegraph/go-diff/diff"
+	"github.com/sourcegraph/go-diff/diff"
 	"sourcegraph.com/sourcegraph/go-vcs/vcs"
 	_ "sourcegraph.com/sourcegraph/go-vcs/vcs/git"
 	_ "sourcegraph.com/sourcegraph/go-vcs/vcs/gitcmd"

vcs/hgcmd/repo.go

@@ -16,7 +16,7 @@ import (
 	"strings"
 	"time"
 
-	"sourcegraph.com/sourcegraph/go-diff/diff"
+	"github.com/sourcegraph/go-diff/diff"
 	"sourcegraph.com/sourcegraph/go-vcs/vcs"
 	"sourcegraph.com/sourcegraph/go-vcs/vcs/internal"
 	"sourcegraph.com/sourcegraph/go-vcs/vcs/util"