[gtkmm] Demos: Remove static_cast<int> on Pango::Weight

[Kjell Ahlstedt <kjellahl src gnome org>]

commit c5cee7930e7f694246664015c567665564bee48e
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Sun Jun 11 13:18:51 2017 +0200

    Demos: Remove static_cast<int> on Pango::Weight
    
    * demos/gtk-demo/example_textview.cc:
    * demos/gtk-demo/textwidget.cc: Remove unnecessary static_cast<int>.
    Pango::Weight can now be implicitly converted to int. Bug 86864

 demos/gtk-demo/example_textview.cc |    4 ++--
 demos/gtk-demo/textwidget.cc       |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/demos/gtk-demo/example_textview.cc b/demos/gtk-demo/example_textview.cc
index 3d38651..3159e31 100644
--- a/demos/gtk-demo/example_textview.cc
+++ b/demos/gtk-demo/example_textview.cc
@@ -120,11 +120,11 @@ void Example_TextView::create_tags(Glib::RefPtr<Gtk::TextBuffer>& refBuffer)
   Glib::RefPtr<Gtk::TextBuffer::Tag> refTag;
 
   refTag = refBuffer->create_tag("heading");
-  refTag->property_weight() = static_cast<int>(Pango::Weight::BOLD);
+  refTag->property_weight() = Pango::Weight::BOLD;
   refTag->property_size() = 15 * Pango::SCALE;
 
   refBuffer->create_tag("italic")->property_style() = Pango::Style::ITALIC;
-  refBuffer->create_tag("bold")->property_weight() = static_cast<int>(Pango::Weight::BOLD);
+  refBuffer->create_tag("bold")->property_weight() = Pango::Weight::BOLD;
   refBuffer->create_tag("big")->property_size() = 20 * Pango::SCALE;
   refBuffer->create_tag("xx-small")->property_scale() = Pango::SCALE_XX_SMALL;
   refBuffer->create_tag("x-large")->property_scale() = Pango::SCALE_X_LARGE;
diff --git a/demos/gtk-demo/textwidget.cc b/demos/gtk-demo/textwidget.cc
index ab6160e..6833f5e 100644
--- a/demos/gtk-demo/textwidget.cc
+++ b/demos/gtk-demo/textwidget.cc
@@ -53,7 +53,7 @@ TextWidget::TextWidget(bool is_source)
     refTag = m_refTextBuffer->create_tag("string");
 
     refTag->property_foreground() = "RosyBrown";
-    refTag->property_weight() = static_cast<int>(Pango::Weight::BOLD);
+    refTag->property_weight() = Pango::Weight::BOLD;
 
 
     refTag = m_refTextBuffer->create_tag("control");
@@ -64,7 +64,7 @@ TextWidget::TextWidget(bool is_source)
     refTag->property_foreground() = "burlywood4";
 
     refTag = m_refTextBuffer->create_tag("function");
-    refTag->property_weight() = static_cast<int>(Pango::Weight::BOLD);
+    refTag->property_weight() = Pango::Weight::BOLD;
     refTag->property_foreground() = "DarkGoldenrod4";
   }
   else