Set the gmodule suffix to 'a' for aix and use the aix gmodule

Set the gmodule suffix to 'a' for aix and use the aix gmodule

Sun Feb 22 02:28:43 2004  Matthias Clasen  <maclas@gmx.de>

	* configure.in: Set the gmodule suffix to 'a' for aix and
	use the aix gmodule implementation.  (#85930, Laurent Vivier)

	Bug #85930, Laurent Vivier:

	* gmodule-ar.c: Implementation of native module management for AIX.
	* gmoduleconf.h.in:
	* gmodule.c: Support gmodule-ar.c