[gtkmm] PaperSize: Add is_ipp().

[Murray Cumming <murrayc src gnome org>]

commit b110341172e8be5824140b98dc2e13538f173153
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Sep 15 10:42:02 2015 +0200

    PaperSize: Add is_ipp().

 gtk/src/papersize.hg |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/src/papersize.hg b/gtk/src/papersize.hg
index 7760a7b..28ac9a3 100644
--- a/gtk/src/papersize.hg
+++ b/gtk/src/papersize.hg
@@ -94,6 +94,7 @@ public:
   _WRAP_METHOD(double get_width(Unit unit) const, gtk_paper_size_get_width)
   _WRAP_METHOD(double get_height(Unit unit) const, gtk_paper_size_get_height)
   _WRAP_METHOD(bool is_custom() const, gtk_paper_size_is_custom)
+  _WRAP_METHOD(bool is_ipp() const, gtk_paper_size_is_ipp)
 
   _WRAP_METHOD(void set_size(double width, double height, Unit unit), gtk_paper_size_set_size)
   _WRAP_METHOD(double get_default_top_margin(Unit unit) const, gtk_paper_size_get_default_top_margin)