Put Frame_Resizer_{Base,Extended} modules into GParted namespace (!20)

All the other modules are in the GParted namespace, except for main()
which has to be in the global namespace, so put these in the GParted
namespace too.

Closes !20 - Minor namespace and scope operator tidy-ups

include/Frame_Resizer_Base.h

@@ -22,6 +22,11 @@
 #include <gtkmm/drawingarea.h>
 #include <gdkmm/cursor.h>
  
+
+namespace GParted
+{
+
+
 class Frame_Resizer_Base : public Gtk::Frame
 {
 public:
@@ -87,4 +92,7 @@ private:
 
 };
 
+
+} //GParted
+
 #endif /* GPARTED_FRAME_RESIZER_BASE_H */

include/Frame_Resizer_Extended.h

@@ -20,6 +20,11 @@
 
 #include "Frame_Resizer_Base.h"
 
+
+namespace GParted
+{
+
+
 class Frame_Resizer_Extended : public Frame_Resizer_Base
 {
 public:
@@ -36,4 +41,7 @@ private:
 	virtual void draw_partition(const Cairo::RefPtr<Cairo::Context>& cr);
 };
 
+
+} //GParted
+
 #endif /* GPARTED_FRAME_RESIZER_EXTENDED_H */

src/Frame_Resizer_Base.cc

@@ -20,6 +20,10 @@
 #include <gdkmm/general.h>
 
 
+namespace GParted
+{
+
+
 Frame_Resizer_Base::Frame_Resizer_Base()
 {
 	BORDER = 8 ;
@@ -450,3 +454,6 @@ Frame_Resizer_Base::~Frame_Resizer_Base()
 	delete cursor_resize;
 	delete cursor_move;
 }
+
+
+} //GParted

src/Frame_Resizer_Extended.cc

@@ -20,6 +20,10 @@
 #include <gdkmm/general.h>
 
 
+namespace GParted
+{
+
+
 Frame_Resizer_Extended::Frame_Resizer_Extended()
 {
 }
@@ -186,3 +190,6 @@ void Frame_Resizer_Extended::draw_partition(const Cairo::RefPtr<Cairo::Context>&
 	draw_resize_grip(cr, ARROW_LEFT);
 	draw_resize_grip(cr, ARROW_RIGHT);
 }
+
+
+} //GParted