X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/1cea529f7dc604c05ae5d8a86c736e37fedd88aa..HEAD:/untangle.c

diff --git a/untangle.c b/untangle.c
index c07c957..beb2871 100644
--- a/untangle.c
+++ b/untangle.c
@@ -1072,7 +1072,7 @@ struct game_drawstate {
     long *x, *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 n = state->params.n;