[gtkmm] Tiny whitespace fixes.

[Murray Cumming <murrayc src gnome org>]

commit f03c9920d5d5e0bced733eac984fd67e09150908
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Oct 9 10:26:15 2013 +0200

    Tiny whitespace fixes.

 gtk/src/cellrenderer.hg |    2 +-
 gtk/src/colorbutton.hg  |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/src/cellrenderer.hg b/gtk/src/cellrenderer.hg
index 91e5ef3..9d55dc8 100644
--- a/gtk/src/cellrenderer.hg
+++ b/gtk/src/cellrenderer.hg
@@ -53,7 +53,7 @@ public:
   _WRAP_METHOD(void get_preferred_size(Widget& widget, Requisition& minimum_size, Requisition& natural_size) 
const, gtk_cell_renderer_get_preferred_size)
 
   //TODO: Use a return value intead?
-  _WRAP_METHOD(void get_aligned_area(Widget& widget, CellRendererState flags,  const Gdk::Rectangle& 
cell_area, Gdk::Rectangle& aligned_area), gtk_cell_renderer_get_aligned_area)
+  _WRAP_METHOD(void get_aligned_area(Widget& widget, CellRendererState flags, const Gdk::Rectangle& 
cell_area, Gdk::Rectangle& aligned_area), gtk_cell_renderer_get_aligned_area)
 
   _WRAP_METHOD(void render(
                   const ::Cairo::RefPtr< ::Cairo::Context>& cr,
diff --git a/gtk/src/colorbutton.hg b/gtk/src/colorbutton.hg
index 62ea334..d4fe935 100644
--- a/gtk/src/colorbutton.hg
+++ b/gtk/src/colorbutton.hg
@@ -44,7 +44,7 @@ namespace Gtk
  * @ingroup Widgets
  */
 class ColorButton : public Button
-  //TODO: When we can break ABI:    public ColorChooser
+  //TODO: When we can break ABI: public ColorChooser
 {
   _CLASS_GTKOBJECT(ColorButton, GtkColorButton, GTK_COLOR_BUTTON, Gtk::Button, GtkButton)
   //TODO: When we can break ABI: _IMPLEMENTS_INTERFACE(ColorChooser)