tree 7834d132056c4b60abfe6fb96bbdb2596f8777fa
parent 79f49effa0a82d88a9bb0b1992ed2e5fa807f900
author Rich Felker <dalias@aerifal.cx> 1510291654 -0500
committer Rich Felker <dalias@aerifal.cx> 1510291654 -0500

move iconv_close to its own translation unit

this is in preparation to support stateful conversion descriptors,
which are necessarily allocated and thus must be freed in iconv_close.
putting it in a separate TU will avoid pulling in free if iconv_close
is not referenced.