Patch libressl as RAND_egd doesn't exist anymore

See the posts at

* http://python-bugs-list.gmang.org/2014-April/239678.html
* https://blog.hboeck.de/archives/851-LibreSSL-on-Gentoo.html

libressl plan on addressing some of these issues as do python etc...
this patch should be review at the next update of the libressl
upstream package.