Only match rest path segments if no colon was found

Co-authored-by: Jason Miller <developit@users.noreply.github.com>

packages/preact-iso/router.js

@@ -43,7 +43,7 @@ export const exec = (url, route, matches) => {
 		// segment match:
 		if (!m && param == val) continue;
 		// /foo/* match
-		if (val && flag == '*') continue;
+		if (!m && val && flag == '*') continue;
 		// segment mismatch / missing required field:
 		if (!m || (!val && flag != '?' && flag != '*')) return;
 		rest = flag == '+' || flag == '*';