* varobj.c (varobj_set_display_format): Use xfree.

	* varobj.c (varobj_set_display_format): Use xfree.
	* tracepoint.c (stringify_collection_list): Use xfree.
	* remote-fileio.c (remote_fileio_reset): Use xfree.
	* mipsread.c (read_alphacoff_dynamic_symtab): Use xfree.
	* dfp.c (decimal_from_floating): Use xfree, xstrprintf.  Don't use
	asprintf.
	* cp-support.c (mangled_name_to_comp): Use xfree.