fails to build with ocaml 4.07.0

[rosset]

Full logs here: https://paste.fedoraproject.org/paste/ahWpRANev9srxMXqwrRpIA

• make depend make[1]: Entering directory '/home/filiperosset/rpmbuild/my/mldonkey/mldonkey-3.1.6' /usr/bin/ocamlc.opt -w -3 -I src/utils/extlib -I src/utils/cdk -I src/utils/bitstring -I src/utils/lib -I src/utils/ocamlrss -I src/utils/xml-light -I src/utils/net -I tools -I src/daemon/common -I src/daemon/driver -I src/utils/mp3tagui -I src/config/unix -I src/gtk2/gui -I src/gtk2/gui/x11 -I src/gtk2/gui/win32 -I icons/rsvg -I +lablgtk2 -I src/networks/direct_connect -I src/networks/fasttrack -I src/networks/fileTP -I src/networks/bittorrent -I src/networks/donkey -I +camlp4 -c src/utils/extlib/IO.ml File "src/utils/extlib/IO.ml", line 70, characters 22-23: Error: This expression has type bytes but an expression was expected of type string make[1]: [Makefile:5447: src/utils/extlib/IO.cmo] Error 2 make[1]: Leaving directory '/home/filiperosset/rpmbuild/my/mldonkey/mldonkey-3.1.6' make: [Makefile:5165: depend] Error 2

[ygrek]

I believe it is a duplicate of #25