Fix warnings.
Fix warnings.

khklau/capnproto,martindale/capnproto,vladon/capnproto,ocdtrekkie/capnproto,geofft/capnproto,MarPiRK/capnproto,hntrmrrs/capnproto,maurer/capnproto,zarvox/capnproto,maurer/capnproto,jparyani/capnproto-boostpython,vladon/capnproto,mrdomino/capnproto,mologie/capnproto,khklau/capnproto,mrdomino/capnproto,geofft/capnproto,jparyani/capnproto,geofft/capnproto,pjulien/capnproto,bsn069/capnproto,kamalmarhubi/capnproto,Fraser999/capnproto,vladon/capnproto,nagyistoce/capnproto,pjulien/capnproto,ligzy/capnproto,a-richardson/capnproto,martindale/capnproto,jparyani/capnproto-boostpython,pjulien/capnproto,johnkdoe/capnproto,Fraser999/capnproto,a-richardson/capnproto,ocdtrekkie/capnproto,joliss/capnproto,nagyistoce/capnproto,johnkdoe/capnproto,hntrmrrs/capnproto,hntrmrrs/capnproto,mologie/capnproto,ocdtrekkie/capnproto,maurer/capnproto,zarvox/capnproto,modulexcite/capnproto,johnkdoe/capnproto,rcrowder/capnproto,jparyani/capnproto,modulexcite/capnproto,Fraser999/capnproto,ligzy/capnproto,kamalmarhubi/capnproto,martindale/capnproto,artillery/capnproto,MarPiRK/capnproto,modulexcite/capnproto,bryce-gibson/capnproto,bsn069/capnproto,joliss/capnproto,zarvox/capnproto,artillery/capnproto,ligzy/capnproto,jparyani/capnproto,khklau/capnproto,mrdomino/capnproto,jparyani/capnproto-boostpython,mologie/capnproto,kamalmarhubi/capnproto,a-richardson/capnproto,MarPiRK/capnproto,bsn069/capnproto,artillery/capnproto,rcrowder/capnproto,bryce-gibson/capnproto,rcrowder/capnproto,jparyani/capnproto-boostpython,joliss/capnproto,jparyani/capnproto-boostpython,bryce-gibson/capnproto,nagyistoce/capnproto