userv-dyndns postinst: move shebang to top of file

diff --git a/debian/userv-dyndns.postinst b/debian/userv-dyndns.postinst
index a6779f9c4d1b1900430d122c5fb9a4d169f7845c..eaf78034d5e0a54d78637b6badf3ebe0dd7f6f39 100755 (executable)
--- a/debian/userv-dyndns.postinst
+++ b/debian/userv-dyndns.postinst
@@ -1,3 +1,6 @@
+#!/bin/sh
+set -e
+
 # Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
 # Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
 # Copyright 1999,2003
@@ -17,9 +20,6 @@
 # You should have received a copy of the GNU General Public License
 # along with userv-utils; if not, see http://www.gnu.org/licenses/.
 
-#!/bin/sh
-set -e
-
 #DEBHELPER#
 
 user="$(sed -n '/^[a-z]/{p;q;}' /etc/userv/dyndns-service-users)"