Remove -m from "pw useradd" command to prevent creation of /usr/home

Noticed by: YAPHR

net-im/iserverd/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME=	iserverd
 PORTVERSION=	2.5.5
+PORTREVISION=	1
 CATEGORIES=	net-im
 MASTER_SITES=	http://iserverd.khstu.ru/download/
 DISTNAME=	IServerd-stable

net-im/iserverd/pkg-install

@@ -26,7 +26,7 @@ POST-INSTALL)
                echo "You already have a user \"${USER}\", so I will use it."
        else
                if pw useradd ${USER} -u ${UID} -g ${GROUP} -h - \
-                       -d /var/spool/iserv -m -s /bin/sh -c "iserverd user"
+                       -d /var/spool/iserv -s /bin/sh -c "iserverd user"
                then
                        echo "Added user \"${USER}\"."
                else