(svn r4153) -Codechange. Changed NPF_TILE_LENGTH into an enum and moved it out of variables.h. Just a drop in the bucket, but it is a start

npf.h

@@ -8,7 +8,6 @@
 #include "station.h"
 #include "vehicle.h"
 #include "tile.h"
-#include "variables.h"
 
 //mowing grass
 enum {
@@ -19,6 +18,12 @@ enum {
 	NPF_HASH_HALFMASK = (1 << NPF_HASH_HALFBITS) - 1
 };
 
+/* For new pathfinding. Define here so it is globally available without having
+ * to include npf.h */
+enum {
+	NPF_TILE_LENGTH = 100
+};
+
 enum {
 	/** This penalty is the equivalent of "inifite", which means that paths that
 	 * get this penalty will be chosen, but only if there is no other route

settings.c

@@ -14,6 +14,7 @@
 #include "command.h"
 #include "console.h"
 #include "saveload.h"
+#include "npf.h"
 
 /** The patch values that are used for new games and/or modified in config file */
 Patches _patches_newgame;

variables.h

@@ -417,10 +417,6 @@ VARDEF byte _vehicle_design_names;
 /* tunnelbridge */
 #define MAX_BRIDGES 13
 
-/* For new pathfinding. Define here so it is globally available without having
- * to include npf.h */
-#define NPF_TILE_LENGTH 100
-
 /* Forking stuff */
 VARDEF bool _dedicated_forks;