From: Rich Felker <dalias@aerifal.cx>
Date: Thu, 4 Apr 2013 18:51:05 +0000 (-0400)
Subject: minor optimization to mbstowcs
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=f62b12d051d68aae8bf3c0891f8f809c1fd75e4e;hp=f62b12d051d68aae8bf3c0891f8f809c1fd75e4e

minor optimization to mbstowcs

there is no need to zero-fill an mbstate_t object in the caller;
mbsrtowcs will automatically treat a null pointer as the initial
state.
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