Fix the "Dummy.h" test

It failed for not finding the libApp library. It will probably fail
again on platforms that do not support LD_LIBRARY_PATH.

tests/project.conf

@@ -8,7 +8,6 @@ dist=Makefile,tests.sh
 
 [Dummy.h]
 type=script
-#FIXME breaks when OBJDIR is set
 script=../tools/appbroker.sh -O APPBROKER=../tools/AppBroker
 depends=../data/Dummy.interface,../tools/appbroker.sh
 

tools/appbroker.sh

@@ -70,4 +70,4 @@ target="$1"
 source="${target#$OBJDIR}"
 APPINTERFACE="${source##*/}"
 APPINTERFACE="../data/${APPINTERFACE%%.h}.interface"
-$APPBROKER -o "$target" "$APPINTERFACE"
+LD_LIBRARY_PATH="${OBJDIR}../src" $APPBROKER -o "$target" "$APPINTERFACE"