fix #123 custom date field formatter

not entirely sure about the hard coded translate of the date format into something that mysql date_format command understands. This works for the three date formats in standard vtiger, but there could be others. I needed to get "dd-mm-yyyy" into "%d/%m/%Y" format somehow.

modules/Reports/ReportRun.php

@@ -449,7 +449,8 @@ class ReportRun extends CRMEntity
} else if ($selectedfields[0] == "vtiger_crmentity" . $this->primarymodule) {
$columnSQL = "vtiger_crmentity." . $selectedfields[1] . " AS '" . decode_html($header_label) . "'";
} else {
-                    $columnSQL = $selectedfields[0] . "." . $selectedfields[1] . " AS '" . decode_html($header_label) . "'";
+                    $userformat=str_replace(array("dd-mm-yyyy","mm-dd-yyyy","yyyy-mm-dd"),array("%d-%m-%Y","%m-%d-%Y","%Y-%m-%d"),$current_user->date_format);
+                    $columnSQL = "date_format (" . $selectedfields[0] . "." . $selectedfields[1] . ",'$userformat') AS '" . decode_html($header_label) . "'";
}
$this->queryPlanner->addTable($selectedfields[0]);
}