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/net.c b/net.c
index 79e29d0..79b4dd1 100644
--- a/net.c
+++ b/net.c
@@ -832,7 +832,7 @@ static int net_solver(int w, int h, unsigned char *tiles,
     sfree(tilestate);
     sfree(edgestate);
     sfree(deadends);
-    sfree(equivalence);
+    dsf_free(equivalence);
 
     return j;
 }