From 3e8b111769e2230d809b318228335c3796bf9b35 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 23 Apr 2021 19:55:12 -0700
Subject: [PATCH] add a return value to add_np_edges

Related to #1801.
---
 lib/ortho/ortho.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/ortho/ortho.c b/lib/ortho/ortho.c
index b7bfe7d6d..7e00216ca 100644
--- a/lib/ortho/ortho.c
+++ b/lib/ortho/ortho.c
@@ -765,7 +765,7 @@ add_edges_in_G(channel* cp)
     }
 }
 
-static void
+static int
 add_np_edges (Dt_t* chans)
 {
     Dt_t* lp;
@@ -781,6 +781,8 @@ add_np_edges (Dt_t* chans)
 		add_edges_in_G(cp);
    	}
     }
+
+    return 0;
 }
 
 static segment*
-- 
2.40.0