updated setfacl condition to try/catch

Author: Peter Göbel

runtime/functions

@@ -260,11 +260,11 @@ trust_localnet() {
 
 set_resolvconf_perms() {
   echo "Setting resolv ACLs..."
-  if which setfacl >/dev/null; then
-    setfacl -m user:${PG_USER}:r /etc/resolv.conf
-  else
+  {
+    setfacl -m user:${PG_USER}:r /etc/resolv.conf 
+  } && {  
     echo "`setfacl` not supported"
-  fi
+  }
 }
 
 configure_recovery() {