rem: CheckPool(poolPtr);
add: NsDbCheckPool(poolPtr);
context: Ns_DbBouncePool(char *pool){    Pool	*poolPtr;    Handle	*handlePtr;        poolPtr = GetPool(pool);    if (poolPtr == NULL) {	return NS_ERROR;    }    Ns_MutexLock(&poolPtr->lock);    poolPtr->stale_on_close++;    handlePtr = poolPtr->firstPtr;    while (handlePtr != NULL) {	if (handlePtr->connected) {	    handlePtr->stale = 1;	}	handlePtr->stale_on_close = poolPtr->stale_on_close;	handlePtr = handlePtr->nextPtr;    }    Ns_MutexUnlock(&poolPtr->lock);    CheckPool(poolPtr);    return NS_OK;}