community/dash: fix wrong dash path in /etc/shells

community/dash/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=dash
 pkgver=0.5.11.5
-pkgrel=0
+pkgrel=1
 pkgdesc="Small and fast POSIX-compliant shell"
 url="http://gondor.apana.org.au/~herbert/dash/"
 arch="all"

community/dash/dash.post-install

 #!/bin/sh
-add-shell '/bin/dash'
+add-shell '/usr/bin/dash'
 exit 0

community/dash/dash.pre-deinstall

 #!/bin/sh
-remove-shell '/bin/dash'
+remove-shell '/usr/bin/dash'
 exit 0