ssa_database.[h c]: Update copyright years

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
core.c: Fix ssa_extract_update_ready_process implementation

Broken by and since commit 9ab787a7d9670825ce8d628993993a40c65da2bd
plugin/core.c: Move duplicated code into a single method

This is since core_extract_db modifies ssa_db_diff->p_smdb
so that can't be passed into the routine (prior to
call to core_extract_db).

Signed-off-by: Hal Rosenstock <hal@mellanox.com>