Update ProcessMonitor::MonitorCallback signature.

llvm-svn: 145021
diff --git a/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp b/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp
index 66c4c4c..2a84462 100644
--- a/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp
+++ b/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp
@@ -1186,6 +1186,7 @@
 bool
 ProcessMonitor::MonitorCallback(void *callback_baton,
                                 lldb::pid_t pid,
+                                bool exited,
                                 int signal,
                                 int status)
 {