updated mkvirt to not exit on sieve compilation failure

mailsrv/assets/bin/mkvirt

@@ -34,9 +34,8 @@ for user in * ; do
   sievec ${user} -d - > /dev/null
   if [ $? -eq 0 ]; then
     echo "No errors detected."
+    cp -p ${user} /vol/mail/${user}/.dovecot.sieve
   else
     echo "Compilation errors detected in ${user}'s sieve script. Please correct any errors and run $(basename $0) again."
-    exit 2
   fi
-  cp -p ${user} /vol/mail/${user}/.dovecot.sieve
 done