[PATCH 0/1] MR857: wined3d: Fix the sub-resource index validation in wined3d_texture_update_overlay().

[Henri Verbeet (＠hverbeet)]

This condition accidentally got inverted when
wined3d_texture_validate_sub_resource_idx() was introduced in commit
44d6f2adbcca119faebc095f3cfbeeafc50d04f3.