http/headers.tld: Fix bad syntax

daurnimator · daurnimator · commit 87ea9c6efd74 · 2018-08-26T23:41:00.000+10:00
diff --git a/http/headers.tld b/http/headers.tld
@@ -1,5 +1,5 @@
 interface headers
-	const clone : (self) -> headers
+	const clone : (self) -> (headers)
 	const append : (self, string, string, nil|boolean) -> ()
 	const each : (self) -> ((self) -> (string, string, boolean))
 	const has : (self, string) -> (boolean)
