Fix vdev health padding in zpool list -v

Do not (incorrectly, right instead left) pad health string itself,
it will be taken care of when printing property value below.

Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Ryan Moeller <[email protected]>
Signed-off-by: Yuri Pankov <[email protected]>
Closes #11899

Author: Yuri Pankov

cmd/zpool/zpool_main.c

@@ -6021,7 +6021,7 @@ print_one_column(zpool_prop_t prop, uint64_t value, const char *str,
 		break;
 	case ZPOOL_PROP_HEALTH:
 		width = 8;
-		snprintf(propval, sizeof (propval), "%-*s", (int)width, str);
+		(void) strlcpy(propval, str, sizeof (propval));
 		break;
 	default:
 		zfs_nicenum_format(value, propval, sizeof (propval), format);