remove unused sg variable

diff --git a/lib/dotgen/mincross.c b/lib/dotgen/mincross.c
index 22213865908f4f35c275068774982cd40b519f8e..489ee5a38de85f86dd7042fd845849f2344b8a22 100644 (file)
--- a/lib/dotgen/mincross.c
+++ b/lib/dotgen/mincross.c
@@ -1165,10 +1165,9 @@ realFillRanks (Agraph_t* g, int rnks[], int rnks_sz, Agraph_t* sg)
 static void
 fillRanks (Agraph_t* g)
 {
-    Agraph_t* sg;
     int rnks_sz = GD_maxrank(g) + 2;
     int* rnks = N_NEW(rnks_sz, int);
-    sg = realFillRanks (g, rnks, rnks_sz, NULL);
+    realFillRanks (g, rnks, rnks_sz, NULL);
     free (rnks);
 }