___lc_codepage_func: use correct name and link emul only for 32bits msvcrt

based on a patch by Jacek

git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@5922 4407c894-4637-0410-b4f5-ada5f102cad1
Fixed src_msvcrt32 typo.

git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@5923 4407c894-4637-0410-b4f5-ada5f102cad1