Use a dedicated free function to free dsfs.

No functional change: currently, this just wraps the previous sfree
call.

1 files changed, 1 insertions, 1 deletions

diff --git a/grid.c b/grid.c
index 1bfc1ef..51db0e5 100644
--- a/grid.c
+++ b/grid.c
@@ -493,7 +493,7 @@ static void grid_trim_vigorously(grid *g)
     g->num_dots = newdots;
 
     sfree(dotpairs);
-    sfree(dsf);
+    dsf_free(dsf);
     sfree(dots);
     sfree(faces);
 }