add a return value to add_edges_in_G

Related to #1801.

diff --git a/lib/ortho/ortho.c b/lib/ortho/ortho.c
index ffb43e45a1d90fcf31e748fce72359162d6b0e7f..2c3746b3f22e8ce5e31a9f90a9db7dac68625bbf 100644 (file)
--- a/lib/ortho/ortho.c
+++ b/lib/ortho/ortho.c
@@ -745,7 +745,7 @@ seg_cmp(segment* S1, segment* S2)
        return segCmp (S1, S2, B_DOWN, B_UP);
 }
 
-static void 
+static int
 add_edges_in_G(channel* cp)
 {
     int x,y;
@@ -763,6 +763,8 @@ add_edges_in_G(channel* cp)
            }
        }
     }
+
+    return 0;
 }
 
 static int