Fix class in DocBlock

src/Composer/Plugin/Capability/CommandProvider.php

@@ -27,7 +27,7 @@ interface CommandProvider extends Capability
     /**
      * Retreives an array of commands
      *
-     * @return Composer\Command\BaseCommand[]
+     * @return \Composer\Command\BaseCommand[]
      */
     public function getCommands();
 }