Make startup scripts whitespace-safe.

This is in preparation for future parameters which
may contain whitespaces.

postsrsd.init.in

     . /etc/default/$NAME
 fi
 
-POSTSRS_OPTS="-4 -f$SRS_FORWARD_PORT -r$SRS_REVERSE_PORT -d$SRS_DOMAIN -s$SRS_SECRET -u$RUN_AS -p$PIDFILE -c$CHROOT -D"
-
 test -r "$SRS_SECRET" -a -n "$SRS_DOMAIN" || exit 0
 
 ret=0
 	if start-stop-daemon --start --oknodo --quiet \
 		--pidfile $PIDFILE \
 		--name $NAME \
-		--startas $DAEMON -- $POSTSRS_OPTS
+		--startas $DAEMON \
+		-- -4 -f"$SRS_FORWARD_PORT" -r"$SRS_REVERSE_PORT" -d"$SRS_DOMAIN" -s"$SRS_SECRET" -u"$RUN_AS" -p"$PIDFILE" -c"$CHROOT" -D
 	then
 	    log_end_msg 0
 	else

postsrsd.upstart.in

 	if [ -r "$DEFAULTFILE" ]; then
 		. "$DEFAULTFILE"
 	fi
-	exec @CMAKE_INSTALL_PREFIX@/sbin/@POSTSRSD@ -4 -f$SRS_FORWARD_PORT -r$SRS_REVERSE_PORT -d$SRS_DOMAIN -s$SRS_SECRET -u$RUN_AS -c$CHROOT
+	exec @CMAKE_INSTALL_PREFIX@/sbin/@POSTSRSD@ -4 -f"$SRS_FORWARD_PORT" -r"$SRS_REVERSE_PORT" -d"$SRS_DOMAIN" -s"$SRS_SECRET" -u"$RUN_AS" -c"$CHROOT"
 end script