systemd: fix manpage links.

srcpkgs/systemd/template

@@ -1,7 +1,7 @@
 # Template file for 'systemd'
 pkgname=systemd
 version=204
-revision=2
+revision=3
 short_desc="A system and service manager for Linux"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://www.freedesktop.org/wiki/Software/systemd"
@@ -118,6 +118,10 @@ post_install() {
 	# Required dirs at run time.
 	vinstall ${FILESDIR}/systemd-dirs.tmpfiles 644 \
 		usr/lib/tmpfiles.d systemd-dirs.conf
+
+	# fix .so links in manpage stubs
+	find ${DESTDIR}/usr/share/man -type f -name '*.[[:digit:]]' \
+		-exec sed -ri '1s|^\.so (.*)\.([0-9]+)|.so man\2/\1.\2|' {} +
 }
 
 if [ -z "$CROSS_BUILD" ]; then