cmd/compile: gofmt

Change-Id: I754861147838d0f6c184d8deb8a028062a1d3214
Reviewed-on: https://go-review.googlesource.com/20400Reviewed-by: Russ Cox <rsc@golang.org>

src/cmd/compile/internal/gc/reflect.go

@@ -770,7 +770,7 @@ func dcommontype(s *Sym, ot int, t *Type) int {
 	// amount of space taken up by reflect strings.
 	prefix := 0
 	if !strings.HasPrefix(p, "*") {
-		p = "*"+p
+		p = "*" + p
 		prefix = 1
 	}
 	_, symdata := stringsym(p) // string