(svn r11702) -Codechange: move all date related stuff to date*.

src/yapf/yapf.hpp

@@ -16,7 +16,6 @@
 #include "../bridge.h"
 #include "../station.h"
 #include "../station_map.h"
-#include "../date.h"
 #include "../tile_cmd.h"
 #include "../landscape.h"
 #include "yapf.h"

src/yapf/yapf_costcache.hpp

@@ -5,6 +5,7 @@
 #ifndef  YAPF_COSTCACHE_HPP
 #define  YAPF_COSTCACHE_HPP
 
+#include "../date_func.h"
 
 /** CYapfSegmentCostCacheNoneT - the formal only yapf cost cache provider that implements
  * PfNodeCacheFetch() and PfNodeCacheFlush() callbacks. Used when nodes don't have CachedData