rem: return connPtr->servPtr->encoding.outputCharset;
add: return (Tcl_Encoding)connPtr->servPtr->encoding.outputCharset;
context: GetDefaultCharset(void){    Conn         *connPtr;    if ( ((connPtr = (Conn *)Ns_GetConn()) != NULL) &&         (connPtr->servPtr != NULL) ) {        return connPtr->servPtr->encoding.outputCharset;    } else {        return nsconf.encoding.outputCharset;    }}