fixed #4552: Zend\Cache\Storage\Adapter\Wincache::getItem() have to return NULL in cases of not found items
Merge branch 'hotfix/4618'

Close #4618
Merge pull request #4632 from marc-mabe/hotfix/4552

fixed #4552: Wincache::getItem() have to return NULL in cases of missing items
Merge branch 'hotfix/4632' into develop

Forward port #4632