coverity#706241 Uncaught exception

we've already checked to see if the element exists, so
we know that its not there.

Change-Id: I538c0d48a883d478e4c748d222b21958d083c049
allow build with icu 4.2

Change-Id: I4bbcff7963520426d4c04e15d2239431aff65b56