mcrypt: rediff CVE-2012-4527 to fix issue with old patch versions

Fixes http://autobuild.buildroot.org/results/e648bfb37051c3b73712d2c7881193e9376f2812/



patch 2.5.9 (but not E.G. 2.6.1) had problems with the upstream CVE patch,
so rediff it to make it work.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>