Fixed issue #05769: In multiple choice question with comment, it alwa…

…ys shows 'please also fill in "other comment" field'

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey_dev@12380 b72ed6b6-b9f8-46b5-92b4-906544132732

classes/eval/LimeExpressionManager.php

@@ -1150,7 +1150,7 @@ public function _CreateSubQLevelRelevanceAndValidationEqns($onlyThisQseq=NULL)
 
             // other_comment_mandatory
             // Validation:= sqN <= value (which could be an expression).
-            if (isset($qattr['other_comment_mandatory']) && trim($qattr['other_comment_mandatory']) != '')
+            if (isset($qattr['other_comment_mandatory']) && trim($qattr['other_comment_mandatory']) == '1')
             {
                 $other_comment_mandatory = $qattr['other_comment_mandatory'];
                 $eqn='';