Fixed a minor typo that was leading to error message on saving responses

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey_dev@9092 b72ed6b6-b9f8-46b5-92b4-906544132732

common_functions.php

@@ -3051,7 +3051,7 @@ function tokenReplace($line)
  * @return string This string is returned containing the substituted responses
  *
  */
-function sPassthruReplace($line, $thissurvey)
+function PassthruReplace($line, $thissurvey)
 {
     $line=str_replace("{PASSTHRULABEL}", $thissurvey['passthrulabel'], $line);
     $line=str_replace("{PASSTHRUVALUE}", $thissurvey['passthruvalue'], $line);