include: Rename vkLayer.h -> vk_layer.h and vkIcd.h -> vk_icd.h
diff --git a/layers/layer_logging.h b/layers/layer_logging.h
index 68f5f89..8a7e292 100644
--- a/layers/layer_logging.h
+++ b/layers/layer_logging.h
@@ -32,7 +32,7 @@
 #include <stdarg.h>
 #include <stdbool.h>
 #include <unordered_map>
-#include "vkLayer.h"
+#include "vk_layer.h"
 #include "layer_data.h"
 #include "layers_table.h"