apply gofmt to src and misc

R=rsc
CC=golang-dev
https://golang.org/cl/213041
diff --git a/src/pkg/bytes/bytes_test.go b/src/pkg/bytes/bytes_test.go
index 28ec55e..5a76813 100644
--- a/src/pkg/bytes/bytes_test.go
+++ b/src/pkg/bytes/bytes_test.go
@@ -170,7 +170,7 @@
 }
 
 func TestExplode(t *testing.T) {
-	for _, tt := range (explodetests) {
+	for _, tt := range explodetests {
 		a := Split(strings.Bytes(tt.s), nil, tt.n)
 		result := arrayOfString(a)
 		if !eq(result, tt.a) {