fixed compiler warning

diff --git a/src/game_bd/bd_caveengine.c b/src/game_bd/bd_caveengine.c
index aba15aff9688eb46cc7ac4fe7aa83ff899ce4e37..4d528a4100830ef34ead812e8255cb300e896e52 100644 (file)
--- a/src/game_bd/bd_caveengine.c
+++ b/src/game_bd/bd_caveengine.c
@@ -2260,7 +2260,7 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
          {
            const GdDirection *creature_move;
            boolean ccw = rotates_ccw(cave, x, y);    /* check if default is counterclockwise */
-           GdElement base;    /* base element number (which is like O_***_1) */
+           GdElement base = -1;    /* base element number (which is like O_***_1) */
            int dir, dirn, dirp;    /* direction */
 
            if (get(cave, x, y) >= O_FIREFLY_1 &&
@@ -2279,7 +2279,7 @@ void gd_cave_iterate(GdCave *cave, GdDirection player_move, boolean player_fire,
                     get(cave, x, y) <= O_ALT_BUTTER_4)
              base = O_ALT_BUTTER_1;
 
-           dir = get(cave, x, y)-base;    /* facing where */
+           dir = get(cave, x, y) - base;    /* facing where */
            creature_move = cave->creatures_backwards ? creature_chdir : creature_dir;
 
            /* now change direction if backwards */