Backport:

	2006-02-01  Mark Mitchell  <mark@codesourcery.com>
	* sim/ppc/emul_netbsd.c (emul_netbsd_create): Quote file-name property.
	* sim/ppc/emul_unix.c (emul_unix_create): Likewise.
	* sim/ppc/tree.c (libiberty.h): Include it.
	(tree_quote_property): New function.
	* sim/ppc/tree.h (tree_quote_property): Declare.

	Backport:
	2006-01-23  Mark Mitchell  <mark@codesourcery.com>
	* sim/ppc/words.h (signed32): Define as "int".
	(unsigned32): Define as "unsigned int".