Remove some redundant null checks.
Remove some redundant null checks.

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