lib/ai/backtrack: add a missing assert
authorJean Privat <jean@pryen.org>
Sat, 11 Apr 2015 17:12:50 +0000 (00:12 +0700)
committerJean Privat <jean@pryen.org>
Tue, 14 Apr 2015 09:31:36 +0000 (16:31 +0700)
commit30b28b896439cf34499adacbae76f9fdf785d72e
tree5de47fccf0d91103ff48c06fa8d61649ca54c400
parentbdff5d43f5108f403fa094c06d1236bb3f6986f6
lib/ai/backtrack: add a missing assert

or else the possible null will loop and cause errors.

Signed-off-by: Jean Privat <jean@pryen.org>
lib/ai/backtrack.nit