bug 14516: rename VK_IMAGE_USAGE_DEPTH_STENCIL_BIT

into VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT
diff --git a/demos/cube.c b/demos/cube.c
index 292b7a8..0404f48 100644
--- a/demos/cube.c
+++ b/demos/cube.c
@@ -826,7 +826,7 @@
         .arraySize = 1,
         .samples = 1,
         .tiling = VK_IMAGE_TILING_OPTIMAL,
-        .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_BIT,
+        .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
         .flags = 0,
     };
     VkMemoryAllocInfo mem_alloc = {