Fix error in writing welcome message (WELCOME_MESSAGE) to konfiguration file.

install_postfixadmin.sh

@@ -1955,7 +1955,7 @@ fi
 
 
 ## -    $CONF['welcome_text'] = <<<EOM
-## -    $_welcome_email
+## -    $WELCOME_MESSAGE
 ## -    EOM;
 ## -
 echononl "\tCreate welcome message.."
@@ -1966,7 +1966,7 @@ if [[ -n "$WELCOME_MESSAGE" ]] ; then
 // This message is send to every newly created mailbox.
 // Change the text between EOM.
 \$CONF['welcome_text'] = <<<EOM
-$_welcome_email
+$WELCOME_MESSAGE
 EOM;
 EOF
    if [[ $? -eq 0 ]]; then