godoc: apply gofmt

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5842043

src/cmd/godoc/godoc.go

@@ -67,7 +67,7 @@ var (
 	// search index
 	indexEnabled = flag.Bool("index", false, "enable search index")
 	indexFiles   = flag.String("index_files", "", "glob pattern specifying index files;"+
-			"if not empty, the index is read from these files in sorted order")
+		"if not empty, the index is read from these files in sorted order")
 	maxResults    = flag.Int("maxresults", 10000, "maximum number of full text search results shown")
 	indexThrottle = flag.Float64("index_throttle", 0.75, "index throttle value; 0.0 = no time allocated, 1.0 = full throttle")