html/template: typo fix

comment on unexported function starts with wrong functionname

Change-Id: Ib16c2fe42b5a8d4606ed719f620923c17839d091
Reviewed-on: https://go-review.googlesource.com/33203Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/html/template/url.go

@@ -32,7 +32,7 @@ func urlEscaper(args ...interface{}) string {
 	return urlProcessor(false, args...)
 }
 
-// urlEscaper normalizes URL content so it can be embedded in a quote-delimited
+// urlNormalizer normalizes URL content so it can be embedded in a quote-delimited
 // string or parenthesis delimited url(...).
 // The normalizer does not encode all HTML specials. Specifically, it does not
 // encode '&' so correct embedding in an HTML attribute requires escaping of