Add the CTX parameter back to EC_GROUP_cmp.

It was a mistake to remove this in the first place.

(Cherry-picked from upstream BoringSSL's
93531bd70f48bc63ad7d4aedf32d69c8095170bd.)

Change-Id: Iee35482bf11dd8813622e36b0c0eb8f91538007a
3 files changed