Use 'user@example.com' rather than 'user@company.com' in tests

Using some arbitrary 3rd party's domain name is clowny,
even if it never tries to send.
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Use 'user@example.com' rather than 'user@company.com' in tests
fix possibly uninitialized value
Fixed bug #61645 (fopen and O_NONBLOCK)

if a mode like "rn" was passed to fopen(), then
php_stream_parse_fopen_modes() would assign O_WRONLY to
flags, because O_NONBLOCK tainted flags for the r/w/+ check
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fixed bug #61645 (fopen and O_NONBLOCK)
  fix possibly uninitialized value
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fixed bug #61645 (fopen and O_NONBLOCK)
  fix possibly uninitialized value
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed bug #61645 (fopen and O_NONBLOCK)
  fix possibly uninitialized value
  Use 'user@example.com' rather than 'user@company.com' in tests