fixed some type issues, including one causing problems for files > 2GB
fixed some type issues, including one causing problems for files > 2GB

spotify/annoy,spotify/annoy,BeifeiZhou/annoy,BeifeiZhou/annoy,pombredanne/annoy,eddelbuettel/annoy,subu-cliqz/annoy,BeifeiZhou/annoy,Houzz/annoy2,tjrileywisc/annoy,tjrileywisc/annoy,eddelbuettel/annoy,eddelbuettel/annoy,pombredanne/annoy,Houzz/annoy2,guitarmind/annoy,eddelbuettel/annoy,Houzz/annoy2,pombredanne/annoy,LongbinChen/annoy,spotify/annoy,aimeida/annoy,subu-cliqz/annoy,codeaudit/annoy,LongbinChen/annoy,aimeida/annoy,subu-cliqz/annoy,tjrileywisc/annoy,codeaudit/annoy,LongbinChen/annoy2,aimeida/annoy,tjrileywisc/annoy,subu-cliqz/annoy,guitarmind/annoy,pombredanne/annoy,spotify/annoy,LongbinChen/annoy2,LongbinChen/annoy,guitarmind/annoy,codeaudit/annoy,LongbinChen/annoy2