New rule: interpret_move() is passed a pointer to the game_drawstate

[sgt-puzzles.git] / sixteen.c

diff --git a/sixteen.c b/sixteen.c
index 8079facfcfc52ba3a441a87e07ad7a4d6e257c18..88c7ef49b682b8603a69a0e91f688274835d8c80 100644 (file)
--- a/sixteen.c
+++ b/sixteen.c
@@ -595,7 +595,7 @@ struct game_drawstate {
     int cur_x, cur_y;
 };
 
-static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
+static char *interpret_move(game_state *state, game_ui *ui, const game_drawstate *ds,
                            int x, int y, int button)
 {
     int cx = -1, cy = -1, dx, dy;