Merge pull request zendframework/zendframework#2369 branch 'hotfix/re…

…move-unused-vars'

src/Client.php

@@ -1136,7 +1136,7 @@ protected function prepareBody()
                 }
 
                 // Encode files
-                foreach ($this->getRequest()->getFiles()->toArray() as $key => $file) {
+                foreach ($this->getRequest()->getFiles()->toArray() as $file) {
                     $fhead = array('Content-Type' => $file['ctype']);
                     $body .= $this->encodeFormData($boundary, $file['formname'], $file['data'], $file['filename'], $fhead);
                 }