midori: update to 0.4.0 / buildable by upstream patch & LDFLAGS_append / minor cleanup

* LDFLAGS_append was suggested by Bernhard Guillon [1]
* run tested on overo

[1] http://lists.linuxtogo.org/pipermail/openembedded-devel/2011-September/034748.html



Signed-off-by: Andreas Müller <schnitzeltony@gmx.de>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>