SFTP: Use the correct stat cache property: stat_cache
Merge pull request #347 from bantu/wrong-stat-cache-property

SFTP: Use the correct stat cache property: stat_cache

* bantu/wrong-stat-cache-property:
  SFTP: Use the correct stat cache property: stat_cache
Merge branch 'master' into php5

* master:
  SFTP: Use the correct stat cache property: stat_cache