include: Rename vkLayer.h -> vk_layer.h and vkIcd.h -> vk_icd.h
diff --git a/loader/loader.h b/loader/loader.h
index c89ad0f..6fd8768 100644
--- a/loader/loader.h
+++ b/loader/loader.h
@@ -31,8 +31,8 @@
 #include <vulkan.h>
 #include <vk_debug_report_lunarg.h>
 #include <vk_wsi_lunarg.h>
-#include <vkLayer.h>
-#include <vkIcd.h>
+#include <vk_layer.h>
+#include <vk_icd.h>
 #include <assert.h>
 
 #if defined(__GNUC__) && __GNUC__ >= 4