remove semis after statements in one-statement statement lists

R=rsc, r
http://go/go-review/1025029
diff --git a/src/pkg/math/fabs.go b/src/pkg/math/fabs.go
index 254756c..752133e 100644
--- a/src/pkg/math/fabs.go
+++ b/src/pkg/math/fabs.go
@@ -7,7 +7,7 @@
 // Fabs returns the absolute value of x.
 func Fabs(x float64) float64 {
 	if x < 0 {
-		return -x;
+		return -x
 	}
 	return x;
 }