TRANS_NONE
if( tree->eTransState != TRANS_NONE )
tree->eTransState = TRANS_NONE;
tree->eTransState = TRANS_NONE;
assert( tree->eTransState != TRANS_NONE );
assert( tree->eTransState != TRANS_NONE );
assert( pCur->pRbtree->eTransState != TRANS_NONE );
assert( pCur->pRbtree->eTransState != TRANS_NONE );