Without that fix the test fails with:
"error: comparison between signed and unsigned integer expressions" on x86,
due to the fact that char is signed on x86.
Change-Id: I44462d67c15c7e9b730ad5da52eb9c05e207d34b
Signed-off-by: Alexander Ivchenko <alexander.ivchenko@intel.com>
mbrtoc32 and c32rtomb get their implementations from mbrtowc and wcrtomb. The
wc functions now simply call the c32 functions.
Bug: 14646575
Change-Id: I49d4b95fed0f9d790260c996c4d0f8bfd1686324