[Win32] Install also the .def files, to help users generate import

[Win32] Install also the .def files, to help users generate import

2003-01-04  Tor Lillqvist  <tml@iki.fi>

	* {glib,gmodule,gobject,gthread}/Makefile.am:
	[Win32] Install also the .def files, to help users generate
	import libraries for other compilers. Uninstall, too.

	* glib-zip.in: Include .def files from above.