Extend the existing patch handling disabled SSLv2 to cover the SSLv3 case as
well in order to fix the following build error reported by the buildbot:

    openssl.o: In function `ssl_open':
    openssl.c:(.text+0xa1c): undefined reference to `SSLv3_client_method'
    collect2: error: ld returned 1 exit status

Signed-off-by: Jo-Philipp Wich <jo@mein.io>