include: Rename vkLayer.h -> vk_layer.h and vkIcd.h -> vk_icd.h
diff --git a/layers/basic.cpp b/layers/basic.cpp
index de2755b..b9bf17d 100644
--- a/layers/basic.cpp
+++ b/layers/basic.cpp
@@ -26,7 +26,7 @@
 #include <assert.h>
 #include "loader_platform.h"
 #include "vk_dispatch_table_helper.h"
-#include "vkLayer.h"
+#include "vk_layer.h"
 #include "layers_table.h"
 // The following is #included again to catch certain OS-specific functions
 // being used: