X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/250838c2ac88e6852d62392bc84feb7678702c06..8f32c9e8976417d6040cd48359e999a1e4a3a998:/blackbox.c

diff --git a/blackbox.c b/blackbox.c
index 3a85bd7..1546d91 100644
--- a/blackbox.c
+++ b/blackbox.c
@@ -879,7 +879,7 @@ struct game_drawstate {
     int flash_laserno, isflash;
 };
 
-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 gx = -1, gy = -1, rangeno = -1, wouldflash = 0;