10:19 lwhsu 

Add an upstream patch:

http://git.php.net/?p=php-src.git;a=commit;h=72ec23d8233ac9a2071f991752cff55febb167d5

This eliminate a warning while building with clang on 32-bit system and enable
other programs' configure scripts test PHP feature with `-Werror`

Approved by:	tz (maintainer)