libxl_create.c: review comments:

>>>>
use libxl__device_console_init instead
libxl__strdup, use NOGC if you don't want console->name gets freed.

<<<<

Signed-off-by: David Scott <dave.scott@citrix.com>
xl_cmdimpl.c review

Line too long
xrealloc to handle allocation failures

Signed-off-by: David Scott <dave.scott@citrix.com>