Fixed block capture so that it would work properly with blocks to be cloned in rows

Author: avandoorine

src/PhpWord/TemplateProcessor.php

@@ -1085,7 +1085,7 @@ protected function indexClonedVariables($count, $xmlBlock)
     {
         $results = array();
         for ($i = 1; $i <= $count; $i++) {
-            $results[] = preg_replace('/\$\{(.*?)(:.*)?\}/', '\${\1#' . $i . '\2}', $xmlBlock);
+            $results[] = preg_replace('/\$\{([^:]*?)(:.*?)?\}/', '\${\1#' . $i . '\2}', $xmlBlock);
         }
 
         return $results;