Merge remote-tracking branch 'origin/pr/211'

Closes jdorn#211
hellifiknow · Apr 13, 2016 · 54b243a · 54b243a
2 parents e4cc1de + bbafe98
commit 54b243a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/classes/report_formats/XlsReportBase.php b/classes/report_formats/XlsReportBase.php
@@ -3,7 +3,8 @@ abstract class XlsReportBase extends ReportFormatBase {
 	private static function columnLetter($c){
 		$c = intval($c);
 		if ($c <= 0) return '';
-
+		$letter = '';
+
 		while($c != 0){
 			$p = ($c - 1) % 26;
 			$c = intval(($c - $p) / 26);