Change the logging on ptrace(PT_KILL) in MachProcess::Kill to log if LOG_PROCESS is enabled or if there was an error making that call.
Change the logging on ptrace(PT_KILL) in MachProcess::Kill to log
if LOG_PROCESS is enabled or if there was an error making that call.

<rdar://problem/49036508> 


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@356626 91177308-0d34-0410-b5e6-96231b3b80d8

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