X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/7ab28913e99672459fcd86ae5eb6121e3b409623..e1f3c70792cacbc9f081f56294b132d9ffbd71f0:/signpost.c

diff --git a/signpost.c b/signpost.c
index 5286b42..b5e22ed 100644
--- a/signpost.c
+++ b/signpost.c
@@ -1418,7 +1418,7 @@ struct game_drawstate {
     blitter *dragb;
 };
 
-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 mx, int my, int button)
 {
     int x = FROMCOORD(mx), y = FROMCOORD(my), w = state->w;