gitolite: Permit SSH login for gitolite user (git)

The user defined in order to own and admin gitolite directories needs
to not be expired else logins such SSH access will not be allowed for
that user.  So we unexpire user git by default.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

net/gitolite/Makefile

@@ -42,6 +42,7 @@ endef
 define Package/gitolite/postinst
 sed -i -e 's,/var/run/git,/srv/git,' $${IPKG_INSTROOT}/etc/passwd
 sed -i -e 's,git:\(.*\):/bin/false,git:\1:/bin/ash,' $${IPKG_INSTROOT}/etc/passwd
+sed -i -e 's,git:x:0:\(.*\)$$,git:x:99999:\1,' $${IPKG_INSTROOT}/etc/shadow
 endef
 
 define Build/Configure