(svn r15700) -Codechange: split Cmd* from signs.cpp to signs_cmd.cpp.

src/signs_func.h

@@ -11,6 +11,8 @@ extern SignID _new_sign_id;
 
 void UpdateAllSignVirtCoords();
 void PlaceProc_Sign(TileIndex tile);
+void MarkSignDirty(Sign *si);
+void UpdateSignVirtCoords(Sign *si);
 
 /* signs_gui.cpp */
 void ShowRenameSignWindow(const Sign *si);