bug 12921: Memory callback (WIP)

The per-object allocator is ignored for now.

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=12921
diff --git a/icd/intel/intel.h b/icd/intel/intel.h
index e324f24..9628bb1 100644
--- a/icd/intel/intel.h
+++ b/icd/intel/intel.h
@@ -126,7 +126,7 @@
 
 void *intel_alloc(const void *handle,
                   size_t size, size_t alignment,
-                  VkSystemAllocType type);
+                  VkSystemAllocScope scope);
 
 void intel_free(const void *handle, void *ptr);