Link errors in update

[creationix]

I updated to the latest version of lua-openssl for luvi and now I'm getting link errors:

liblua_openssl.a(ssl.c.o): In function `openssl_ssl_ctx_set_cert_verify':
ssl.c:(.text+0x2a3b): undefined reference to `openssl_cert_verify_cb'
liblua_openssl.a(ssl.c.o): In function `openssl_ssl_ctx_set_verify':
ssl.c:(.text+0x2cdb): undefined reference to `openssl_verify_cb'

This is on an up-to-date archlinux with openssl version: OpenSSL 1.0.1j 15 Oct 2014

The update also breaks my travis builds which are using an ubuntu userspace. https://travis-ci.org/luvit/luvi/jobs/44259383#L416-L420

[rphillips]

Looks like callback.c is missing from our CMake file.

[creationix]

Yep, fixed in luvit/luvi@3f3f0fe.

Sorry for the noise.