issue-442: Fixes an issue encountered on PPC with undefined conversions from 'base::subtle::Atomic64*' to 'const volatile Atomic32*'
issue-442: Fixes an issue encountered on PPC with undefined conversions from 'base::subtle::Atomic64*' to 'const volatile Atomic32*'

eixie/gperftools,jamesgolick/gperftools,jamesgolick/gperftools,jamesgolick/gperftools,eixie/gperftools,eixie/gperftools,eixie/gperftools,jamesgolick/gperftools