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/gtk/popupwin.cpp

@@ -124,7 +124,7 @@ bool wxPopupWindow::Create( wxWindow *parent, int style )
         if (!gtk_check_version(2,10,0))
             gtk_window_group_add_window (gtk_window_get_group (GTK_WINDOW (toplevel)), GTK_WINDOW (m_widget));
 #endif
-    
+
         gtk_window_set_transient_for (GTK_WINDOW (m_widget), GTK_WINDOW (toplevel));
     }
     gtk_window_set_resizable (GTK_WINDOW (m_widget), FALSE);
@@ -210,7 +210,7 @@ void wxPopupWindow::SetFocus()
             return;
         }
     }
-    
+
     wxPopupWindowBase::SetFocus();
 }