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-rw-r--r--crawl-ref/source/terrain.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/crawl-ref/source/terrain.h b/crawl-ref/source/terrain.h
index db7eee5f82..5839d4d02e 100644
--- a/crawl-ref/source/terrain.h
+++ b/crawl-ref/source/terrain.h
@@ -42,7 +42,7 @@ bool grid_is_watery(dungeon_feature_type grid);
god_type grid_altar_god( dungeon_feature_type grid );
dungeon_feature_type altar_for_god( god_type god );
bool grid_is_branch_stairs( dungeon_feature_type grid );
-int grid_secret_door_appearance( int gx, int gy );
+dungeon_feature_type grid_secret_door_appearance( int gx, int gy );
bool grid_destroys_items( dungeon_feature_type grid );
const char *grid_item_destruction_message( dungeon_feature_type grid );