debian: update to standards version 3.9.4

debian/control

@@ -4,7 +4,7 @@ Priority: extra
 Maintainer: ridiculous_fish <[email protected]>
 Uploaders: David Adam <[email protected]>, Siteshwar Vashisht <[email protected]>
 Build-Depends: debhelper (>= 8.0.0), libncurses5-dev, autoconf, autotools-dev, dh-autoreconf, gettext
-Standards-Version: 3.9.1
+Standards-Version: 3.9.4
 Homepage: http://fishshell.com/
 Vcs-Git: git://github.com/fish-shell/fish-shell.git
 Vcs-Browser: https://github.com/fish-shell/fish-shell