Due to bugs in libgit2, we force linking with libssh2 to add git-over-ssh support. On android we currency don't want libssh2 due to its dependency chain, so this makes the libssh2 force linking opt-out. Signed-off-by: Anton Lundin <glance@acc.umu.se> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>