bug #1516 [common] add missing class header

Author: jrushlow

src/Maker/Common/InstallDependencyTrait.php

@@ -14,6 +14,11 @@
 use Symfony\Bundle\MakerBundle\ConsoleStyle;
 use Symfony\Component\Process\Process;
 
+/**
+ * @author Jesse Rushlow <[email protected]>
+ *
+ * @internal
+ */
 trait InstallDependencyTrait
 {
     /**