fixed strndup usage in the pgsql ext
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  fixed strndup usage in the pgsql ext
Merge branch 'PHP-5.5'

* PHP-5.5:
  fixed strndup usage in the pgsql ext
removed unused vars
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  removed unused vars
Merge branch 'PHP-5.5'

* PHP-5.5:
  removed unused vars