dotgen: initialize a variable

warning: ‘maxthispass’ may be used uninitialized in this function

diff --git a/lib/dotgen/mincross.c b/lib/dotgen/mincross.c
index ae4d373dadc68271c59744b9560e46d40ebbdc5b..0e6a45835b3c4675639d8a989524087c90ee3746 100644 (file)
--- a/lib/dotgen/mincross.c
+++ b/lib/dotgen/mincross.c
@@ -813,7 +813,7 @@ static void transpose(graph_t * g, bool reverse)
 
 static int mincross(graph_t * g, int startpass, int endpass, int doBalance)
 {
-    int maxthispass, iter, trying, pass;
+    int maxthispass = 0, iter, trying, pass;
     int cur_cross, best_cross;
 
     if (startpass > 1) {