Merge pull request #16784 from amitkumar50/cov-1244200

test: Initialize pointer msg in MonClientHelper

Reviewed-by: Jos Collin <jcollin@redhat.com>

src/test/mon/test-mon-msg.cc

@@ -63,6 +63,7 @@ public:
   explicit MonClientHelper(CephContext *cct_)
     : Dispatcher(cct_),
       cct(cct_),
+      msg(NULL),
       monc(cct_),
       lock("mon-msg-test::lock")
   { }