[gtk/gtk-3-24: 1/2] flowbox: children per line may not be 0

[Matthias Clasen <matthiasc src gnome org>]

commit cd4b6a77a4a6c1f3bc0df8dc7354dcc13e238f5a
Author: Benjamin Otte <otte redhat com>
Date:   Sat Nov 12 22:57:31 2016 +0100

    flowbox: children per line may not be 0

 gtk/gtkflowbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkflowbox.c b/gtk/gtkflowbox.c
index e5414d4c2e..6aa3380652 100644
--- a/gtk/gtkflowbox.c
+++ b/gtk/gtkflowbox.c
@@ -3880,7 +3880,7 @@ gtk_flow_box_class_init (GtkFlowBoxClass *class)
                        P_("Maximum Children Per Line"),
                        P_("The maximum amount of children to request space for "
                           "consecutively in the given orientation."),
-                       0, G_MAXUINT, DEFAULT_MAX_CHILDREN_PER_LINE,
+                       1, G_MAXUINT, DEFAULT_MAX_CHILDREN_PER_LINE,
                        G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
 
   /**
@@ -4715,6 +4715,7 @@ gtk_flow_box_set_max_children_per_line (GtkFlowBox *box,
                                         guint       n_children)
 {
   g_return_if_fail (GTK_IS_FLOW_BOX (box));
+  g_return_if_fail (n_children > 0);
 
   if (BOX_PRIV (box)->max_children_per_line != n_children)
     {