Fix include barrier names

include/graphics.h

@@ -1,5 +1,5 @@
-#ifndef SRC_GRAPHICS_H
-#define SRC_GRAPHICS_H
+#ifndef INCLUDE_GRAPHICS_H
+#define INCLUDE_GRAPHICS_H
 
 typedef struct Rect Rect_t;
 struct Rect

include/map.h

@@ -1,5 +1,5 @@
-#ifndef SRC_MAP_H
-#define SRC_MAP_H
+#ifndef INCLUDE_MAP_H
+#define INCLUDE_MAP_H
 
 typedef struct Map Map_t;
 struct Map

include/timers.h

@@ -1,5 +1,5 @@
-#ifndef SRC_TIMERS_H
-#define SRC_TIMERS_H
+#ifndef INCLUDE_TIMERS_H
+#define INCLUDE_TIMERS_H
 
 void timer_init(unsigned timer);
 void timer_restore(unsigned timer);