vzctl snapshot-list -o desc: fix width

Fix formatting when printing description field in vzctl snapshot-list.
Obviously, since we use 32 characters for a header, we should use
same 32 characters for the value, not 38.

Before this patch, it looks something like this:

 # vzctl snapshot-list 1041 -o current,desc,current
 C DESC                             C
 *                                        *

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
1 file changed