Format core sources again

Formatted with nl_func_type_name and related options set to ignore. This
keeps the formatting intact for long return types in declarations and
definitions.

server/core/internal/monitormanager.hh

@@ -150,7 +150,7 @@ class MonitorStop
 {
 public:
     MonitorStop(mxs::Monitor* monitor)
-            : m_monitor(monitor->state() == MONITOR_STATE_RUNNING ? monitor : nullptr)
+        : m_monitor(monitor->state() == MONITOR_STATE_RUNNING ? monitor : nullptr)
     {
         if (m_monitor)
         {
@@ -168,4 +168,4 @@ public:
 
 private:
     mxs::Monitor* m_monitor;
-};
+};