sys-apps/baselayout/files/add-dash-shell.patch

--- a/etc/shells	2007-04-05 04:18:42.000000000 -0700
+++ b/etc/shells	2014-04-11 15:29:27.215157201 -0700
@@ -1,6 +1,7 @@
 # /etc/shells: valid login shells
 /bin/bash
 /bin/csh
+/bin/dash
 /bin/esh
 /bin/fish
 /bin/ksh