virsh: Use 'virshStoragePoolNameCompleter' for two options

'--pool' of the 'pool-event' command and '--inputpool' of
'vol-create-from' use the above mentioned completer.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

tools/virsh-pool.c

@@ -1980,6 +1980,7 @@ static const vshCmdInfo info_pool_event[] = {
 static const vshCmdOptDef opts_pool_event[] = {
     {.name = "pool",
      .type = VSH_OT_STRING,
+     .completer = virshStoragePoolNameCompleter,
      .help = N_("filter by storage pool name or uuid")
     },
     {.name = "event",

tools/virsh-volume.c

@@ -454,6 +454,7 @@ static const vshCmdOptDef opts_vol_create_from[] = {
     VIRSH_COMMON_OPT_VOL_FULL,
     {.name = "inputpool",
      .type = VSH_OT_STRING,
+     .completer = virshStoragePoolNameCompleter,
      .help = N_("pool name or uuid of the input volume's pool")
     },
     {.name = "prealloc-metadata",