Fixes out of array accesses
Fixes asan_static-oob_eb9812_5961_iv41.avi
This reverts the merge of c9ef6b09

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
(cherry picked from commit c3d5cd1e)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>