BR3392712: pp_tokline: fix double free
BR3392712: pp_tokline: fix double free

Make sure the data being freed get double
freed after -- the pointers must be zapped
(actually nasm_free and free_tlist support
being called with NULL pointer as an argument).

Signed-off-by: Cyrill Gorcunov <7a1ea01eee6961eb1e372e3508c2670446d086f4@gmail.com>

techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm