Require fig/link-util in the WebLink component

Author: dunglas

src/Symfony/Component/WebLink/composer.json

@@ -17,7 +17,8 @@
     ],
     "require": {
         "php": ">=5.5.9",
-        "psr/link": "^1.0"
+        "psr/link": "^1.0",
+        "fig/link-util": "^1.0"
     },
     "suggest": {
         "symfony/http-kernel": ""