Include wx/dcscreen.h according to precompiled headers of wx/wx.h (with other minor cleaning).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39123 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mgl/dcscreen.cpp

@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcscreen.cpp
+// Name:        src/mgl/dcscreen.cpp
 // Author:      Vaclav Slavik
 // Id:          $Id$
 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
@@ -14,14 +14,16 @@
 #endif
 
 #include "wx/dcscreen.h"
+
 #include "wx/mgl/private.h"
 
 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxDC)
 
-wxScreenDC::wxScreenDC() : wxDC()
+wxScreenDC::wxScreenDC()
+           :wxDC()
 {
     SetMGLDC(g_displayDC, FALSE /* no ownership */);
-    
+
     // VS: we have to hide the mouse, otherwise rendering artifacts may occur
     MS_obscure();
 }