make test/fixedbugs save for optional semis

R=rsc
https://golang.org/cl/173045
diff --git a/test/fixedbugs/bug089.go b/test/fixedbugs/bug089.go
index e3d8ff6..fd3dff3 100644
--- a/test/fixedbugs/bug089.go
+++ b/test/fixedbugs/bug089.go
@@ -15,7 +15,7 @@
 var	i2	I2;
 
 func
-main()
-{
+main() {
+
 	i2 = e().(I2);	// bug089.go:16: fatal error: agen_inter i2i
 }