[gtk/matthiasc/for-master] Fix warnings with Vulkan < 162

[Matthias Clasen <matthiasc src gnome org>]

commit ea61ad0c062eab382c28296e2d63819ba82d8a64
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 21 18:04:16 2020 -0500

    Fix warnings with Vulkan < 162
    
    Tiring to watch the Vulkan people stumble through
    ABI and API compat, but what can you do.

 gdk/gdkvulkancontext.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/gdk/gdkvulkancontext.c b/gdk/gdkvulkancontext.c
index d0e47055c9..32126e7e1e 100644
--- a/gdk/gdkvulkancontext.c
+++ b/gdk/gdkvulkancontext.c
@@ -221,7 +221,11 @@ gdk_vulkan_strerror (VkResult result)
     case VK_ERROR_PIPELINE_COMPILE_REQUIRED_EXT:
       return "A requested pipeline creation would have required compilation, but the application requested 
compilation to not be performed.";
 #endif
-#if VK_HEADER_VERSION < 140
+#if VK_HEADER_VERSION < 162
+    case VK_ERROR_INCOMPATIBLE_VERSION_KHR:
+      return "This error was removed by the Vulkan gods.";
+#endif
+#if VK_HEADER_VERSION < 142
     case VK_RESULT_RANGE_SIZE:
 #endif
     case VK_RESULT_MAX_ENUM: