cem 9c418cf4a6 print_positional_test: Fix misuse of wchar APIs
These APIs take unit length, not byte length parameters.

Reported by:	Coverity
CIDs:		1338543, 1338544, 1338545
Sponsored by:	EMC / Isilon Storage Division
2016-05-12 04:08:45 +00:00
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