ssa.c: Removed some unneeded sets of g_Error to NULL

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Removed unneeded forward declaration of g_rclose_callback

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Cosmetic formatting change

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Moved flog declaration to be contiguous with other declarations

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