php 5.3 compatibility fix

Author: SailorMax

tests/PhpWord/TemplateProcessorTest.php

@@ -211,8 +211,8 @@ public function testSetImageValue()
 
         $variablesReplace = array(
                                 'headerValue'       => $imagePath,
-                                'documentContent'   => ["path" => $imagePath, "width" => 500, "height" => 500],
-                                'footerValue'       => ["path" => $imagePath, "width" => 50, "height" => 50],
+                                'documentContent'   => array("path" => $imagePath, "width" => 500, "height" => 500),
+                                'footerValue'       => array("path" => $imagePath, "width" => 50, "height" => 50),
         );
         $templateProcessor->setImageValue(array_keys($variablesReplace), $variablesReplace);