xchange-93: Use VK_ prefix on DEBUG_REPORT_..._NAME

Use the Vulkan namespace (VK_ prefix) on DEBUG_REPORT_EXTENSION_NAME
This resolves LunarXchange bug #93.
https://vulkan.lunarg.com/app/issues/55b76ae37ef24d0001000070
diff --git a/icd/intel/extension_utils.c b/icd/intel/extension_utils.c
index e163fa1..851c0c5 100644
--- a/icd/intel/extension_utils.c
+++ b/icd/intel/extension_utils.c
@@ -30,7 +30,7 @@
 
 const VkExtensionProperties intel_global_exts[INTEL_GLOBAL_EXT_COUNT] = {
     {
-        .extName = DEBUG_REPORT_EXTENSION_NAME,
+        .extName = VK_DEBUG_REPORT_EXTENSION_NAME,
         .specVersion = VK_DEBUG_REPORT_EXTENSION_VERSION,
     },
     {