Work around a UMR reported by purify by using a different ICU method.  The internets tell me that the UMR in getTerminatedBuffer() is harmless [1], but this seems better anyway.
Work around a UMR reported by purify by using a different ICU
method.  The internets tell me that the UMR in getTerminatedBuffer()
is harmless [1], but this seems better anyway.

BUG=1339780

[1] http://osdir.com/ml/lib.icu.c++.support/2005-03/msg00022.html


git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@1232 0039d316-1c4b-4281-b951-d872f2087c98

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