radv: plug leaks in radv_device_init_accel_struct_build_state

Fixes: 0dad88b469 ("radv: Implement device-side BVH building.")
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13110>

src/amd/vulkan/radv_acceleration_structure.c

@@ -1382,6 +1382,9 @@ radv_device_init_accel_struct_build_state(struct radv_device *device)
    if (result != VK_SUCCESS)
       goto fail;
 
+   ralloc_free(internal_cs);
+   ralloc_free(leaf_cs);
+
    return VK_SUCCESS;
 
 fail:
@@ -1523,4 +1526,4 @@ radv_CmdBuildAccelerationStructuresKHR(
    }
    free(bvh_states);
    radv_meta_restore(&saved_state, cmd_buffer);
-}
+}