radeonsi: do not assert when reserving bindless slot 0

When assertions were disabled, the compiler removed
the call to util_idalloc_alloc() and the first allocated
bindless slot was 0 which is invalid per the spec.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
1 file changed