sys.stringtorune doesn't need a length parameter.

R=rsc
DELTA=7  (0 added, 0 deleted, 7 changed)
OCL=16600
CL=16630

1 files changed, 1 insertions, 1 deletions

diff --git a/test/utf.go b/test/utf.go
index 206f67c73..f38f4edd8 100644
--- a/test/utf.go
+++ b/test/utf.go
@@ -21,7 +21,7 @@ func main() {
 	var l = len(s);
 	for w, i, j := 0,0,0; i < l; i += w {
 		var r int32;
-		r, w = sys.stringtorune(s, i, l);
+		r, w = sys.stringtorune(s, i);
 		if w == 0 { panic("zero width in string") }
 		if r != chars[j] { panic("wrong value from string") }
 		j++;