lxd/sql: Do not format output of .dump and .schema.
lxd/sql: Do not format output of .dump and .schema.

A database view contains a '%s' within a printf statement. This change
prevents the schema from containing %!s(MISSING) in it's place.

Signed-off-by: Mark Laing <e4eb1ed17d42befab1db63da5bbc17c0a2c16113@canonical.com>

lxc/lxd,hallyn/lxd,lxc/lxd,hallyn/lxd,lxc/lxd,lxc/lxd,stgraber/lxd,stgraber/lxd,lxc/lxd,hallyn/lxd,lxc/lxd,stgraber/lxd,lxc/lxd,hallyn/lxd,hallyn/lxd,stgraber/lxd,stgraber/lxd,stgraber/lxd,stgraber/lxd,hallyn/lxd