[gtk/constraint-guide-3: 6/9] constraints demo: Give space a name

[Matthias Clasen <matthiasc src gnome org>]

commit 013c18040a8949f8236811bd4a80cd140f90cba0
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jun 28 22:54:28 2019 +0000

    constraints demo: Give space a name
    
    Lets call it 'space'.

 demos/gtk-demo/constraints.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/demos/gtk-demo/constraints.c b/demos/gtk-demo/constraints.c
index 974681a82d..806fd407ab 100644
--- a/demos/gtk-demo/constraints.c
+++ b/demos/gtk-demo/constraints.c
@@ -77,6 +77,7 @@ build_constraints (SimpleGrid          *self,
   GtkConstraintGuide *guide;
 
   guide = gtk_constraint_guide_new ();
+  gtk_constraint_guide_set_name (guide, "space");
   gtk_constraint_guide_set_min_size (guide, 10, 10);
   gtk_constraint_guide_set_nat_size (guide, 100, 10);
   gtk_constraint_guide_set_max_size (guide, 200, 20);