added note about libusb port for cygwin

ChangeLog

@@ -1,3 +1,7 @@
+2003-10-23  Frank Zago <fzago at austin dot rr dot com>
+
+	* README.windows: added note about libusb port for cygwin.
+
 2003-10-23  Gerhard Jaeger <gerhard@gjaeger.de>
 
 	* backend/plustek.c backend/plustek-usb.c:

README.windows

@@ -39,7 +39,7 @@ The current annoying limitations are:
   - Tested on Windows 2000 only. Should work on Windows NT/XP too;
     may or may not work on Windows 95/98/ME.
 
+Note: there is a Cygwin libusb port (http://sourceforge.net/projects/libusb-win32) so USB scanners might work too.
 
-
-2003/9/25
+2003/10/23
 Frank Zago.