Unused return value

Change-Id: I963d001aee68f1218ba7273562cb41f3cf4c5e20
Clean up Mac _imp_getProcessLocale

Introduces OUStringBuffer::appendUninitialized.

Change-Id: If225ec4d798e0df91cad60130e3f22ee26b88abb
Remove comment junk

Change-Id: Ifaed964d084d0b7a2dacbc23a93fb77eb7515ab4
Needless assignment len -> n

Change-Id: I9051284b34e5a6f3f48ee58243d6481b072e0a80
len cannot be <= 1 here

Change-Id: I482e6eeca09e7b15a8d95a866ebab35d06f13e9e
Introduce OStringBuffer::appendUninitialized

...corresponding to the OUStringBuffer couterpart

Change-Id: I3ab03343696e6755cf1ccc470e4decc2f41d2558