mydevil: replace BSD-only cut -w with tr + plain cut

cut -w (split on whitespace) is a FreeBSD extension unknown to GNU
coreutils; squeeze blanks into tabs with tr first so the field
extraction is POSIX.

https://github.com/acmesh-official/acme.sh/issues/6452

deploy/mydevil.sh

@@ -54,6 +54,8 @@ mydevil_deploy() {
 # Usage: ip=$(mydevil_get_ip domain.com)
 #        echo $ip
 mydevil_get_ip() {
-  devil dns list "$1" | cut -w -s -f 3,7 | grep "^A$(printf '\t')" | cut -w -s -f 2 || return 1
+  # tr squeezes runs of blanks into one tab so plain cut works everywhere;
+  # cut -w is BSD-only and unknown to GNU coreutils
+  devil dns list "$1" | tr -s ' \t' '\t' | cut -s -f 3,7 | grep "^A$(printf '\t')" | cut -s -f 2 || return 1
   return 0
 }