2005-05-04  Michael Natterer  <mitch@gimp.org>

	* app/plug-in/plug-in-proc-def.[ch] (plug_in_proc_def_find): new
	function which finds a proc_def in a GSList by its procedure name.

	* app/plug-in/plug-in-message.c
	* app/plug-in/plug-ins.c
	* tools/pdbgen/pdb/plug_in.pdb: use it instead of iterating and
	comparing manually.

	* app/pdb/plug_in_cmds.c: regenerated.

	* app/plug-in/plug-in-def.c: minor cleanups.