(svn r11774) -Change: do not include variables.h in a header when it is not needed.

src/ai/ai.h

@@ -7,6 +7,7 @@
 #include "../player.h"
 #include "../command_type.h"
 #include "../core/random_func.hpp"
+#include "../settings_type.h"
 
 /* How DoCommands look like for an AI */
 struct AICommand {

src/ai/trolly/pathfinder.cpp

@@ -11,6 +11,7 @@
 #include "../../bridge.h"
 #include "../../tunnelbridge_map.h"
 #include "../ai.h"
+#include "../../variables.h"
 
 
 #define TEST_STATION_NO_DIR 0xFF