Add missing hashbang to storage.sh

Open-webOS-DCO-1.0-Signed-off-by: Timo Aarnipuro <timo.aarnipuro@palm.com>

Change-Id: I82bf91ca28c1fb1c85386d044cbd29296a0e5468
Reviewed-on: http://g2g.palm.com/1430
Reviewed-by: Build Verification
Reviewed-by: Keith Derrick <keith.derrick@palm.com>
Tested-by: Keith Derrick <keith.derrick@palm.com>