Fix a NULL/bool conversion.
Fix a NULL/bool conversion.


git-svn-id: 6df6fa3ddd728f578ea1442598151d5900a6ed44@417 630680e5-0e50-0410-840e-4b1c322b438d

mikelikespie/protobuf,kastnerkyle/protobuf-py3,da2ce7/protobuf,mpapierski/protobuf,patrickhartling/protobuf,kastnerkyle/protobuf-py3,patrickhartling/protobuf,machinalis/protobuf-python3,beyang/protobuf,svn2github/protobuf-mirror,lcy03406/protobuf,mikelikespie/protobuf,aidansteele/protobuf-mirror,GreatFruitOmsk/protobuf-py3,lcy03406/protobuf,patrickhartling/protobuf,mkrautz/external-protobuf,Distrotech/protobuf,mkrautz/external-protobuf,mkrautz/external-protobuf,mikelikespie/protobuf,svn2github/protobuf-mirror,patrickhartling/protobuf,mpapierski/protobuf,chandlerc/protobuf-llvm,Distrotech/protobuf,kastnerkyle/protobuf-py3,svn2github/protobuf-mirror,lcy03406/protobuf,mikelikespie/protobuf,aidansteele/protobuf-mirror,chandlerc/protobuf-llvm,kastnerkyle/protobuf-py3,chandlerc/protobuf-llvm,chandlerc/protobuf-llvm,lcy03406/protobuf,chandlerc/protobuf-llvm,mkrautz/external-protobuf,mpapierski/protobuf,GreatFruitOmsk/protobuf-py3,svn2github/google-protobuf,patrickhartling/protobuf,machinalis/protobuf-python3,svn2github/protobuf-mirror,machinalis/protobuf-python3,da2ce7/protobuf,mkrautz/external-protobuf,GreatFruitOmsk/protobuf-py3,da2ce7/protobuf,svn2github/google-protobuf,aidansteele/protobuf-mirror,beyang/protobuf,da2ce7/protobuf,lcy03406/protobuf,mpapierski/protobuf,beyang/protobuf,svn2github/google-protobuf,da2ce7/protobuf,Distrotech/protobuf,GreatFruitOmsk/protobuf-py3,aidansteele/protobuf-mirror,svn2github/google-protobuf,svn2github/protobuf-mirror,GreatFruitOmsk/protobuf-py3,kastnerkyle/protobuf-py3,aidansteele/protobuf-mirror,Distrotech/protobuf,svn2github/google-protobuf,Distrotech/protobuf,mikelikespie/protobuf,beyang/protobuf,mpapierski/protobuf,beyang/protobuf,machinalis/protobuf-python3