Make wxFrame ctors inline in wxQt

No real changes, just make trivial (and going to remain trivial)
functions inline.

include/wx/qt/frame.h

@@ -19,14 +19,17 @@ class QScrollArea;
 class WXDLLIMPEXP_CORE wxFrame : public wxFrameBase
 {
 public:
-    wxFrame();
+    wxFrame() { }
     wxFrame(wxWindow *parent,
                wxWindowID id,
                const wxString& title,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxDEFAULT_FRAME_STYLE,
-               const wxString& name = wxFrameNameStr);
+               const wxString& name = wxFrameNameStr)
+    {
+        Create( parent, id, title, pos, size, style, name );
+    }
     virtual ~wxFrame();
 
     bool Create(wxWindow *parent,