Add and fix header guards

[shadowclad.git] / render.h

diff --git a/render.h b/render.h
index 3eb135f7001fb57f93855e14615a5af7b56cc0ff..659c4b677997e85392445198a06709819a43bad6 100644 (file)
--- a/render.h
+++ b/render.h
@@ -1,2 +1,7 @@
+#ifndef RENDER_H_
+#define RENDER_H_
+
 void render_scene();
 void draw_axes();
+
+#endif