Revert r1700845 for oowintool.

The shebang situation for Windows seems to be a bit odd. Revert the
change here as it's affecting the Windows buildbot.

Found and reported by:	damjan

oowintool

-#!/usr/bin/env perl -w
+#!/usr/bin/perl -w
 # *************************************************************
 #  
 #  Licensed to the Apache Software Foundation (ASF) under one