Fix stack-buffer-overflow in lldb_private::Host::FindProcesses
Fix stack-buffer-overflow in lldb_private::Host::FindProcesses

Found by the address sanitizer on GreenDragon:
http://green.lab.llvm.org/green/view/LLDB/job/lldb-sanitized/1628/console

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@349858 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb