small tweaks

components/display/display.c

@@ -400,7 +400,7 @@ const char *display_conf_get_driver_name(char * driver){
 /****************************************************************************************
  *
  */
-char * display_get_supported_drivers(){
+char * display_get_supported_drivers(void){
 	int total_size = 1;
 	char * supported_drivers=NULL;
 	const char * separator = "|";

components/display/display.h

@@ -39,4 +39,4 @@ void displayer_scroll(char *string, int speed, int pause);
 void displayer_control(enum displayer_cmd_e cmd, ...);
 void displayer_metadata(char *artist, char *album, char *title);
 void displayer_timer(enum displayer_time_e mode, int elapsed, int duration);
-char * display_get_supported_drivers();
+char * display_get_supported_drivers(void);

components/services/CMakeLists.txt

@@ -1,6 +1,6 @@
 idf_component_register(SRC_DIRS .
-						INCLUDE_DIRS . ${IDF_PATH}/components/driver
-						REQUIRES json tools platform_config display 
+						INCLUDE_DIRS . 
+						REQUIRES json tools platform_config display
 
 )