The GCC 4.0 we still use for the "official" Mac OS X build says:
"error: conversion from ‘const char*’ to non-scalar type
‘rtl::OUString’ requested." Sigh, I guess there might be lots more of
these elsewhere in the code.

Change-Id: Ifad5722bbadd465ebfca1ac3f0b55f07a6895e12