Fix typo in postinst script.

debian/changelog

@@ -29,7 +29,7 @@ g15daemon (1.9.5.3-9) unstable; urgency=medium
   * Do not install *.la files.
   * Change package description. (Closes: bug#802652)
 
- -- Alexander Ponyatykh <lazyranma@gmail.com>  Thu, 02 May 2019 02:28:21 +0300
+ -- Alexander Ponyatykh <lazyranma@gmail.com>  Fri, 03 May 2019 14:10:22 +0300
 
 g15daemon (1.9.5.3-8.3) unstable; urgency=medium
 

debian/postinst

@@ -7,7 +7,7 @@ set -e
 #plugging in a device, and deb-systemd-invoke refuses to start a static service,
 #so force it to start using invoke-rc.d
 
-if [ -d /run/systemd/system ] && [ -z "2" ] && ( [ "$1" = "configure" ] \
+if [ -d /run/systemd/system ] && [ -z "$2" ] && ( [ "$1" = "configure" ] \
 		|| [ "$1" = "abort-remove" ] ) ; then
 	invoke-rc.d g15daemon start >/dev/null || true
 fi