Fix conditional using count to not emit warning in PHP 7.2
Fix conditional using count to not emit warning in PHP 7.2

- In this case it appears that only arrays with a size greater than 1 need
  to be dealt with by the main part of the _getTable function.  Everything
  other kind of object should return $this->_tables[$this->_rootName].

garethellis36/cakephp,berrygoudswaard/cakephp,dakota/cakephp,ndm2/cakephp,berrygoudswaard/cakephp,mvdriel/cakephp,ADmad/cakephp,cakephp/cakephp,garethellis36/cakephp,CakeDC/cakephp,cakephp/cakephp,ADmad/cakephp,ADmad/cakephp,garethellis36/cakephp,berrygoudswaard/cakephp,davidyell/cakephp,davidyell/cakephp,tenkoma/cakephp,cakephp/cakephp,ndm2/cakephp,tenkoma/cakephp,ndm2/cakephp,dakota/cakephp,garethellis36/cakephp,petteyg/cakephp,tenkoma/cakephp,petteyg/cakephp,dakota/cakephp,tenkoma/cakephp,CakeDC/cakephp,dakota/cakephp,mvdriel/cakephp,ndm2/cakephp,mvdriel/cakephp,cakephp/cakephp,ADmad/cakephp,CakeDC/cakephp,davidyell/cakephp,petteyg/cakephp,mvdriel/cakephp,CakeDC/cakephp,petteyg/cakephp