We can't dereference dbh if it is NULL
Make sure value is initialized
Merge branch 'PHP-5.4' into PHP-5.5
Merge branch 'PHP-5.5' into PHP-5.6
add clear_env option to FPM config

This makes it possible to leave the envoronment as is on startup and
pass all the variables to the workers.
The default value of clear_env is "yes", preserving previous behaviour.
Patch by Paul Annesley.
fixed macro
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  fixed macro
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  fixed macro
Use API instead of directly acessing the structure
Add peer certificate verification on windows

Peer certificate verification on Windows using the native certificate store and the Windows API
Update openssl tests with new server/client test harness