Added unix2dos.c utility

Fixed doc typos


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@17156 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/treectrl.tex

@@ -87,7 +87,7 @@ functions that take a \helpref{wxTreeEvent}{wxtreeevent} argument.
 \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}
 \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGING(id, func)}}{Selection is changing. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
 \twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.}
-\end{twocollist}%
+\end{twocollist}
 
 \wxheading{See also}