Syntax error fix.

composer.json

@@ -72,7 +72,7 @@
         "squizlabs/php_codesniffer": "2.7.1"
     },
     "scripts": {
-        "post-install-cmd": "phing installsolr installswaggerui"
+        "post-install-cmd": "phing installsolr installswaggerui",
         "post-update-cmd": "phing installsolr installswaggerui"
     }
 }