dash: create /bin/sh and /usr/bin/sh symlinks at post-install time.

srcpkgs/dash/INSTALL

@@ -1,7 +1,9 @@
 case ${ACTION} in
 pre)
+	# Create /bin/sh and /usr/bin/sh symlinks to /usr/bin/dash.
+	#
 	# It's expected that will make a dangling symlink, but once that
 	# dash is unpacked it will be ok.
-	[ ! -h usr/bin/sh ] && cd usr/bin && ln -sf dash sh
+	cd usr/bin && ln -sf dash sh && ln -sf dash ../../bin/sh
 	;;
 esac

srcpkgs/dash/template

@@ -1,7 +1,7 @@
 # Template file for 'dash'
 pkgname=dash
 version=0.5.7
-revision=2
+revision=3
 build_style=gnu-configure
 register_shell="/bin/sh"
 depends="coreutils"