Add return value to stub functions to turn off warnings

diff --git a/lib/neatogen/delaunay.c b/lib/neatogen/delaunay.c
index 48ba946d2f3dbce5f65257d29661e098bddc5887..5bd947710b7d7ea48c8915272addbb1b9561f27a 100644 (file)
--- a/lib/neatogen/delaunay.c
+++ b/lib/neatogen/delaunay.c
@@ -341,10 +341,12 @@ int *delaunay_tri(double *x, double *y, int n, int* pnedges)
 v_data *delaunay_triangulation(double *x, double *y, int n)
 {
     fprintf(stderr, "Graphviz built without triangulation library\n");
+    return 0;
 }
 int *delaunay_tri(double *x, double *y, int n, int* nedges)
 {
     fprintf(stderr, "Graphviz built without triangulation library\n");
+    return 0;
 }
 #endif