anv: Fix destroying descriptor sets when pool gets reset
pool->next and pool->free_list were reset before their usage in anv_descriptor_pool_free_set
Fixes: 775aabdd "anv: destroy descriptor sets when pool gets reset"
pool->next and pool->free_list were reset before their usage in anv_descriptor_pool_free_set
Fixes: 775aabdd "anv: destroy descriptor sets when pool gets reset"