clang-tidy bugprone-unused-raii in RequestHandler

The message from clang-tidy is:
    warning: object destroyed immediately after creation; did you mean
to name the object?

The guard in
RequestHandler::ExecuteCmdLineRequests
comes from
commit cf333a87
Date:   Sun Jan 21 22:10:09 2018 +0300
tdf#38915: set cProcessed condition on any process outcome
and I'm sure it's intention was to set the flag on exit from the
function, not immediately.

Change-Id: Ibf874a5774770df00b9db7f673554e7ffda55072
Reviewed-on: https://gerrit.libreoffice.org/60183Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Jenkins

desktop/source/app/officeipcthread.cxx

@@ -1319,7 +1319,7 @@ bool RequestHandler::ExecuteCmdLineRequests(
     osl::ClearableMutexGuard aGuard( GetMutex() );
 
     // ensure that Processed flag (if exists) is signaled in any outcome
-    ConditionSetGuard(aRequest.pcProcessed);
+    ConditionSetGuard aSetGuard(aRequest.pcProcessed);
 
     static std::vector<DispatchWatcher::DispatchRequest> aDispatchList;