Generate and distribute gmodule-export-2.0.pc, which is currently just a

2005-01-07  Matthias Clasen  <mclasen@redhat.com>

	* configure.in:
	* Makefile.am: Generate and distribute gmodule-export-2.0.pc,
	which is currently just a copy of gmodule-2.0.pc, but makes
	it explicit that it adds --export-dynamic.

	* gmodule-export-2.0.pc.in: Copy of gmodule-2.0.pc.in.