[gtk+] Fixed typo childen->children

[Marek Černocký <mcernocky src gnome org>]

commit f64bb38aa7c3190738c4c6281e7ecdd32fc99221
Author: Marek Černocký <marek manet cz>
Date:   Tue Jan 19 12:52:58 2016 +0100

    Fixed typo childen->children

 gtk/gtkpopovermenu.c |    2 +-
 gtk/gtkstack.c       |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkpopovermenu.c b/gtk/gtkpopovermenu.c
index 948b510..31d82f0 100644
--- a/gtk/gtkpopovermenu.c
+++ b/gtk/gtkpopovermenu.c
@@ -28,7 +28,7 @@
  * @Title: GtkPopoverMenu
  *
  * GtkPopoverMenu is a subclass of #GtkPopover that treats its
- * childen like menus and allows switching between them. It is
+ * children like menus and allows switching between them. It is
  * meant to be used primarily together with #GtkModelButton, but
  * any widget can be used, such as #GtkSpinButton or #GtkScale.
  * In this respect, GtkPopoverMenu is more flexible than popovers
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 38a4c18..f765409 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -1692,7 +1692,7 @@ gtk_stack_set_interpolate_size (GtkStack *stack,
  * @stack: A #GtkStack
  *
  * Returns wether the #GtkStack is set up to interpolate between
- * the sizes of childen on page switch.
+ * the sizes of children on page switch.
  *
  * Returns: %TRUE if child sizes are interpolated
  *