Enable acme.sh to recognize sane sudo commands besides /bin/su and /bin/bash

PR:		248434
Submitted by:	John W. O'Brien <john@saltant.com>

security/acme.sh/Makefile

@@ -2,7 +2,7 @@
 
 PORTNAME=	acme.sh
 PORTVERSION=	2.8.6
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	security
 
 MAINTAINER=	dvl@FreeBSD.org

security/acme.sh/files/patch-acme.sh

@@ -0,0 +1,19 @@
+Fix sudo issue
+https://github.com/acmesh-official/acme.sh/pull/2574
+
+--- acme.sh.orig	2020-08-02 05:02:04 UTC
++++ acme.sh
+@@ -6415,10 +6415,10 @@ _checkSudo() {
+       #it's root using sudo, no matter it's using sudo or not, just fine
+       return 0
+     fi
+-    if [ "$SUDO_COMMAND" = "/bin/su" ] || [ "$SUDO_COMMAND" = "/bin/bash" ]; then
++    if [ -n "$SUDO_COMMAND" ]; then
+       #it's a normal user doing "sudo su", or `sudo -i` or `sudo -s`
+-      #fine
+-      return 0
++      _endswith "$SUDO_COMMAND" /bin/su || grep "^$SUDO_COMMAND\$" /etc/shells >/dev/null 2>&1
++      return $?
+     fi
+     #otherwise
+     return 1