use a generic way to navigate through entries

entries are actually any action or subaction that can be performed.

Attack, White Magic and so on are root actions.

Fire, Ice X are subactions of Black Magic.

Signed-off-by: Olivier Gayot <duskcoder@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/structures.h b/structures.h
index 11a0f76..fa7e5c0 100644
--- a/structures.h
+++ b/structures.h
@@ -1,6 +1,8 @@
 #ifndef STRUCTURES_H
 #define STRUCTURES_H
 
+#include <SDL/SDL.h>
+
 typedef struct surfaces SURFACES;
 struct surfaces
 {