No changes whatsoever, just remove trailing whitespace.

There are no real changes in this commit but it removes all trailing white
space from our source files. This avoids problems when applying patches and
making diffs and it would be nice to prevent it from reappearing.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65680 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/window.h

@@ -242,10 +242,10 @@ public:
     // see the docs in src/gtk/window.cpp
     GtkWidget           *m_widget;          // mostly the widget seen by the rest of GTK
     GtkWidget           *m_wxwindow;        // mostly the client area as per wxWidgets
-    
+
     // label for use with GetLabelSetLabel
     wxString             m_gtkLabel;
-    
+
     // return true if the window is of a standard (i.e. not wxWidgets') class
     bool IsOfStandardClass() const { return m_wxwindow == NULL; }