minor #1025 Add VarDumper's dump.php to autoload-dev (nicolas-grekas)

This PR was merged into the 2.7 branch.

Discussion
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Add VarDumper's dump.php to autoload-dev

Pragmatical fix for symfony/symfony#20201

Commits
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7fe1143 Add VarDumper's dump.php to autoload-dev

Author: fabpot

composer.json

@@ -6,6 +6,9 @@
     "autoload": {
         "psr-4": { "": "src/" }
     },
+    "autoload-dev": {
+        "files": [ "vendor/symfony/symfony/src/Symfony/Component/VarDumper/Resources/functions/dump.php" ]
+    },
     "require": {
         "php": ">=5.3.9",
         "doctrine/doctrine-bundle": "~1.4",