This commit fixes commit
30dfab97 ("build: remove --relative in 'ln'")
which resulted in stale symlink being installed.
$ stat /usr/lib/systemd/user-generators/systemd-dbus1-generator
File: `/usr/lib/systemd/user-generators/systemd-dbus1-generator' -> `.//usr/lib/systemd/system-generators/systemd-dbus1-generator'
Change-Id: I91266b015436d8208b62360d500c93a684e696be
dbus1-generator-install-hook:
$(AM_V_at)$(MKDIR_P) $(DESTDIR)$(usergeneratordir)
$(AM_V_RM)rm -f $(DESTDIR)$(usergeneratordir)/systemd-dbus1-generator
- cd $(DESTDIR); $(AM_V_LN)$(LN_S) -f ./$(systemgeneratordir)/systemd-dbus1-generator ./$(usergeneratordir)/systemd-dbus1-generator
+ $(AM_V_LN)$(LN_S) -f $(systemgeneratordir)/systemd-dbus1-generator $(DESTDIR)$(usergeneratordir)/systemd-dbus1-generator
dbus1-generator-uninstall-hook:
rm -f $(DESTDIR)$(usergeneratordir)/systemd-dbus1-generator