2009-12-07 Colin Watson <cjwatson@ubuntu.com>

2009-12-07  Colin Watson  <cjwatson@ubuntu.com>

	* configure.ac: Check for vasprintf.
	* util/misc.c (asprintf): Move allocation from here ...
	(vasprintf): ... to here.  New function.
	(xasprintf): New function.
	* include/grub/util/misc.h (vasprintf, xasprintf): Add
	prototypes.
	* util/getroot.c (grub_util_get_grub_dev): Use xasprintf.
	* util/grub-mkfont.c (write_font): Likewise.
	* util/grub-probe.c (probe): Likewise.
	* util/hostdisk.c (make_device_name): Likewise.