Update ProcessMonitor::MonitorCallback signature.

llvm-svn: 145021
diff --git a/lldb/source/Plugins/Process/Linux/ProcessMonitor.h b/lldb/source/Plugins/Process/Linux/ProcessMonitor.h
index 3d0d88b..ba6a76d 100644
--- a/lldb/source/Plugins/Process/Linux/ProcessMonitor.h
+++ b/lldb/source/Plugins/Process/Linux/ProcessMonitor.h
@@ -253,7 +253,7 @@
 
     static bool
     MonitorCallback(void *callback_baton,
-                    lldb::pid_t pid, int signal, int status);
+                    lldb::pid_t pid, bool exited, int signal, int status);
 
     static ProcessMessage
     MonitorSIGTRAP(ProcessMonitor *monitor,