Fix warning: "Missing emit keyword on signal call"

[-Wclazy-incorrect-emit]

Change-Id: I93bdc6e23cdaccf35c9899ae16870ccc65a54f80
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/valgrind/callgrind/callgrindparser.cpp

@@ -264,7 +264,7 @@ void Parser::Private::parse(QIODevice *device)
     foreach (Function *func, pendingFunctions)
         func->finalize();
 
-    q->parserDataReady(); // emit
+    emit q->parserDataReady();
 }
 
 inline QString getValue(const QByteArray &line, const int prefixLength)

src/plugins/valgrind/callgrindtool.cpp

@@ -897,7 +897,7 @@ void CallgrindTool::slotRequestDump()
 {
     //setBusy(true);
     m_visualization->setText(tr("Populating..."));
-    dumpRequested();
+    emit dumpRequested();
 }
 
 void CallgrindTool::loadExternalLogFile()

src/plugins/valgrind/callgrindvisualisation.cpp

@@ -250,11 +250,11 @@ void Visualization::Private::handleMousePressEvent(QMouseEvent *event,
         const Function *func = q->functionForItem(itemAtPos);
 
         if (doubleClicked) {
-            q->functionActivated(func);
+            emit q->functionActivated(func);
         } else {
             q->scene()->clearSelection();
             itemAtPos->setSelected(true);
-            q->functionSelected(func);
+            emit q->functionSelected(func);
         }
     }
 

src/plugins/valgrind/valgrindrunner.cpp

@@ -125,13 +125,13 @@ void ValgrindRunner::Private::run()
 void ValgrindRunner::Private::handleRemoteStderr(const QString &b)
 {
     if (!b.isEmpty())
-        q->processOutputReceived(b, Utils::StdErrFormat);
+        emit q->processOutputReceived(b, Utils::StdErrFormat);
 }
 
 void ValgrindRunner::Private::handleRemoteStdout(const QString &b)
 {
     if (!b.isEmpty())
-        q->processOutputReceived(b, Utils::StdOutFormat);
+        emit q->processOutputReceived(b, Utils::StdOutFormat);
 }
 
 void ValgrindRunner::Private::localProcessStarted()