layers: clang-format  layers directory

Change-Id: I318e3759829f33441e57aafedec1e9ec06d658c4
diff --git a/layers/vk_layer_config.h b/layers/vk_layer_config.h
index 7d62041..0111e05 100644
--- a/layers/vk_layer_config.h
+++ b/layers/vk_layer_config.h
@@ -31,7 +31,7 @@
 #endif
 
 const char *getLayerOption(const char *_option);
-FILE* getLayerLogOutput(const char *_option, const char *layerName);
+FILE *getLayerLogOutput(const char *_option, const char *layerName);
 VkDebugReportFlagsEXT getLayerOptionFlags(const char *_option, uint32_t optionDefault);
 bool getLayerOptionEnum(const char *_option, uint32_t *optionDefault);