Fixed issue: token checks for UsesLeft option.

Dev: I don't know why the 'Assoc' mode of AdoDB changed. The first cause might have other consequences.
Dev: CAUTION, I can't even manage to have a simple survey work. Everything in Survey at Runtime seems BROKEN for me.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey@9695 b72ed6b6-b9f8-46b5-92b4-906544132732

common_functions.php

@@ -7970,6 +7970,7 @@ function usedTokens($token)
 {
     global $connect, $dbprefix, $surveyid;
     $utresult = true;
+    $connect->SetFetchMode(ADODB_FETCH_ASSOC);
     $tInfo = $connect->getRow("SELECT tid, usesleft from {$dbprefix}tokens_$surveyid WHERE token=".db_quoteall($token));
     if (!$tInfo === false) {
         if ($tInfo['usesleft']>0) $utresult = false;