Add extension protection for vkGetPhysicalDeviceMagmaPresentationSupportKHR

Change-Id: Ida9af081a8357fb36f02fa4a5dd5bb4dd30a1826
diff --git a/scripts/vk.xml b/scripts/vk.xml
index f82724d..2608045 100644
--- a/scripts/vk.xml
+++ b/scripts/vk.xml
@@ -4264,6 +4264,7 @@
                 <type name="VkMagmaSurfaceCreateFlagsKHR"/>
                 <type name="VkMagmaSurfaceCreateInfoKHR"/>
                 <command name="vkCreateMagmaSurfaceKHR"/>
+                <command name="vkGetPhysicalDeviceMagmaPresentationSupportKHR"/>
                 <command name="vkExportDeviceMemoryMAGMA"/>
                 <command name="vkImportDeviceMemoryMAGMA"/>
             </require>