include: Rename vkLayer.h -> vk_layer.h and vkIcd.h -> vk_icd.h
diff --git a/layers/mem_tracker.h b/layers/mem_tracker.h
index c7083ad..8caf008 100644
--- a/layers/mem_tracker.h
+++ b/layers/mem_tracker.h
@@ -23,7 +23,7 @@
  */
 #pragma once
 #include <vector>
-#include "vkLayer.h"
+#include "vk_layer.h"
 
 #ifdef __cplusplus
 extern "C" {