test: gofmt a few tests

I'm planning to change these tests, but the gofmt changes are
fairly extensive, so I'm separating the gofmt changes from the
substantive changes.

R=golang-dev, rsc, r
CC=golang-dev
https://golang.org/cl/5557052
diff --git a/test/fixedbugs/bug070.go b/test/fixedbugs/bug070.go
index 6afdd46..f63caa9 100644
--- a/test/fixedbugs/bug070.go
+++ b/test/fixedbugs/bug070.go
@@ -7,19 +7,23 @@
 package main
 
 func main() {
-	var i, k int;
-	outer:
-	for k=0; k<2; k++ {
-		print("outer loop top k ", k, "\n");
-		if k != 0 { panic("k not zero") }  // inner loop breaks this one every time
-		for i=0; i<2; i++ {
-			if i != 0 { panic("i not zero") }  // loop breaks every time
-			print("inner loop top i ", i, "\n");
+	var i, k int
+outer:
+	for k = 0; k < 2; k++ {
+		print("outer loop top k ", k, "\n")
+		if k != 0 {
+			panic("k not zero")
+		} // inner loop breaks this one every time
+		for i = 0; i < 2; i++ {
+			if i != 0 {
+				panic("i not zero")
+			} // loop breaks every time
+			print("inner loop top i ", i, "\n")
 			if true {
-				print("do break\n");
-				break outer;
+				print("do break\n")
+				break outer
 			}
 		}
 	}
-	print("broke\n");
+	print("broke\n")
 }