fix installation problem with openflow-lib script

Change-Id: I6383adb501bc704002a7c7f6f71fff93aad50e77
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/Makefile b/Makefile
index 95d8970..7078597 100644
--- a/Makefile
+++ b/Makefile
@@ -46,6 +46,7 @@
 	cp openflow build/openflow-lib
 	sed -i "s/from osm_openvim/from lib_osm_openvim/g" build/openflow-lib
 	sed -i "s/import osm_openvim/import lib_osm_openvim/g" build/openflow-lib
+	sed -i "s/__import__(\"osm_openvim\.\"/__import__(\"lib_osm_openvim\.\"/g" build/openflow-lib
 	sed -i "s/import osm_openvim; print osm_openvim\.__path__\[0\]/import lib_osm_openvim; print lib_osm_openvim\.__path__\[0\]/g" build/lib_osm_openvim/database_utils/migrate_vim_db.sh
 	sed -i "s/__import__(\"osm_openvim\.\"/__import__(\"lib_osm_openvim\.\"/g" build/lib_osm_openvim/ovim.py