move _fseeki64 and _ftelli64 functions from libmingwex to libmsvcrt _fseeki64 and _ftelli64 functions are already in libmsvcr90 and newer, so we need to provide these functions only for libmsvcrt. In addition, _ftelli64 function implementation is not compatible with ucrt. Signed-off-by: Mateusz Brzostek <mateuszb@poczta.onet.pl> Signed-off-by: Jacek Caban <jacek@codeweavers.com>