[Serializer] polyfill for json_last_error_msg is in php 5.5

Tobion · Tobion · commit fb031f1c9f85 · 2015-10-29T13:47:37.000+01:00
diff --git a/src/Symfony/Component/Serializer/composer.json b/src/Symfony/Component/Serializer/composer.json
@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": ">=5.3.9",
-        "symfony/polyfill-php54": "~1.0"
+        "symfony/polyfill-php55": "~1.0"
     },
     "require-dev": {
         "symfony/yaml": "~2.0,>=2.0.5|~3.0.0",
