[gtkmm] Widget: Add get/set_margin_start/end().

[Murray Cumming <murrayc src gnome org>]

commit 896d042fff713883168e4fcf2ab70fea2dc67604
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Mar 18 12:44:55 2014 +0100

    Widget: Add get/set_margin_start/end().

 gtk/src/widget.hg |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gtk/src/widget.hg b/gtk/src/widget.hg
index 2bf044e..9e6be04 100644
--- a/gtk/src/widget.hg
+++ b/gtk/src/widget.hg
@@ -369,6 +369,10 @@ public:
   _WRAP_METHOD(void set_margin_left(int margin), gtk_widget_set_margin_left)
   _WRAP_METHOD(int get_margin_right() const, gtk_widget_get_margin_right)
   _WRAP_METHOD(void set_margin_right(int margin), gtk_widget_set_margin_right)
+  _WRAP_METHOD(int get_margin_start() const, gtk_widget_get_margin_start)
+  _WRAP_METHOD(void set_margin_start(int margin), gtk_widget_set_margin_start)
+  _WRAP_METHOD(int get_margin_end() const, gtk_widget_get_margin_end)
+  _WRAP_METHOD(void set_margin_end(int margin), gtk_widget_set_margin_end)
   _WRAP_METHOD(int get_margin_top() const, gtk_widget_get_margin_top)
   _WRAP_METHOD(void set_margin_top(int margin), gtk_widget_set_margin_top)
   _WRAP_METHOD(int get_margin_bottom() const, gtk_widget_get_margin_bottom)
@@ -787,6 +791,8 @@ _CONVERSION(`GdkScreen*',`const Glib::RefPtr<Gdk::Screen>&',`Glib::wrap($3, true
   _WRAP_PROPERTY("valign", Align)
   _WRAP_PROPERTY("margin-left", int)
   _WRAP_PROPERTY("margin-right", int)
+  _WRAP_PROPERTY("margin-start", int)
+  _WRAP_PROPERTY("margin-end", int)
   _WRAP_PROPERTY("margin-top", int)
   _WRAP_PROPERTY("margin-bottom", int)
   _WRAP_PROPERTY("margin", int)