Reduce (some) compile noise of 'unused variable' and 'may be used uninitialized' warnings.
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Reduce (some) compile noise of 'unused variable' and 'may be used uninitialized' warnings.

Conflicts:
	ext/dba/libinifile/inifile.c
Reduce compiler noise by removing unused variables and labels
Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Fixed #65431 in zend_exception.c by Sixd
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

* 'PHP-5.5' of https://git.php.net/repository/php-src:
  Fixed #65431 in zend_exception.c by Sixd
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4: