No changes, just removed hard tabs and trailing white space.

This commit is huge but there are no non-white-space changes in it.

Some files containing third-party sources (src/msw/wince/time.cpp,
src/x11/pango*.cpp) were left unchanged.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61724 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/mediactrl.cpp

@@ -304,7 +304,7 @@ static gint gtk_window_realize_callback(GtkWidget* widget,
                                         wxGStreamerMediaBackend* be)
 {
     gdk_flush();
-    
+
     GdkWindow *window = widget->window;
     wxASSERT(window);
 
@@ -709,7 +709,7 @@ void wxGStreamerMediaBackend::SetupXOverlay()
     else
     {
         gdk_flush();
-    
+
         GdkWindow *window = m_ctrl->m_wxwindow->window;
         wxASSERT(window);
 #endif