Include C++ <cerrno> instead of C <errno.h>
Include C++ <cerrno> instead of C <errno.h>

mrdomino/capnproto,jparyani/capnproto,pjulien/capnproto,rcrowder/capnproto,rcrowder/capnproto,hntrmrrs/capnproto,mologie/capnproto,maurer/capnproto,pjulien/capnproto,hntrmrrs/capnproto,mologie/capnproto,jparyani/capnproto,vladon/capnproto,maurer/capnproto,hntrmrrs/capnproto,vladon/capnproto,pjulien/capnproto,mologie/capnproto,vladon/capnproto,maurer/capnproto,rcrowder/capnproto,mrdomino/capnproto,mrdomino/capnproto,jparyani/capnproto