Add overflow fixes

[GoogleCodeExporter]

Currently the security patch only has the overflow fix for calendar/julian.c

I suggest adding calendar/gregor.c and calendar/jewish.c overflow fixes to make 
PHP more secure.

Source for the fixes:
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/calendar/gregor.c?r1=
317393&r2=242949&pathrev=330286&view=patch

http://git.php.net/?p=php-src.git;a=blobdiff_plain;f=ext%2Fcalendar%2Fjewish.c;h
=fcc0e5c0b878ebdd41dfeaecf148b755cd5e6f2d;hp=f4dc7c35ae57cb63c7f32d0633e2a377c0e
b7bd8;hb=refs%2Fheads%2FPHP-5.3;hpb=9c038be621ba1b3e0cc6497a089afa4bbfc87c9b

A patch is also attached.

Original issue reported on code.google.com by [email protected] on 17 Aug 2013 at 2:03

Attachments:

• extra_overflow_fix.patch