openssl: add patch to fix versionning

Without this patch, host-gdb refuses to build  with python support.

Patch taken from https://launchpad.net/ubuntu/+archive/primary/+files/openssl_1.0.1f-1ubuntu1.debian.tar.gz
More explanations: http://stackoverflow.com/questions/18390833/no-version-information-available
Merge pull request #63 from guijemont/ssl-gdb-python-fix

openssl: add patch to fix versionning