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/propgrid/propgrid.cpp

@@ -3819,7 +3819,7 @@ bool wxPropertyGrid::UnfocusEditor()
 void wxPropertyGrid::RefreshEditor()
 {
     wxPGProperty* p = GetSelection();
-    if ( !p ) 
+    if ( !p )
         return;
 
     wxWindow* wnd = GetEditorControl();