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

src/msw/listctrl.cpp

@@ -1466,7 +1466,7 @@ bool wxListCtrl::DeleteItem(long item)
 bool wxListCtrl::DeleteAllItems()
 {
     // Calling ListView_DeleteAllItems() will always generate an event but we
-    // shouldn't do it if the control is empty 
+    // shouldn't do it if the control is empty
     return !GetItemCount() || ListView_DeleteAllItems(GetHwnd()) != 0;
 }