Merge pull request #2317 from totten/master-runconcat-fix

CRM_Core_CodeGen_Util_Template - Fix warning

CRM/Core/CodeGen/Util/Template.php

@@ -53,7 +53,9 @@ class CRM_Core_CodeGen_Util_Template {
    * @param string $outpath full path to the desired output file
    */
   function runConcat($inputs, $outpath) {
-    unlink($outpath);
+    if (file_exists($outpath)) {
+      unlink($outpath);
+    }
     foreach ($inputs as $infile) {
       // FIXME: does not beautify.  Document.
       file_put_contents($outpath, $this->smarty->fetch($infile) ."\n", FILE_APPEND);