Merge branch 'PHP-5.5'

Merge branch 'PHP-5.5'

* PHP-5.5:
  Remove compile warnings:
      warning: variable ‘lastch’ set but not used [-Wunused-but-set-variable]
      warning: variable ‘buf’ set but not used [-Wunused-but-set-variable]
  Remove compile warning: variable ‘streamp’ set but not used [-Wunused-but-set-variable]
  Remove compile warnings:
      variable ‘obj_cnt’ set but not used [-Wunused-but-set-variable]
      unused variable ‘last’ [-Wunused-variable]
      unused variable ‘j’ [-Wunused-variable]
  Remove compile warning "variable ‘mekeylen’ set but not used"