Replace QLatin1String("x") with QLatin1Char('x') where possible

Change-Id: I2f90c8ae7b5e968b9de882833f8661ab540a9232
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/resourceeditor/resourcenode.cpp

@@ -254,7 +254,7 @@ ProjectExplorer::FolderNode::AddNewInformation ResourceTopLevelNode::addNewInfor
 {
     QString name = tr("%1 Prefix: %2")
             .arg(QFileInfo(path()).fileName())
-            .arg(QLatin1String("/"));
+            .arg(QLatin1Char('/'));
 
     int p = -1;
     if (priority(files)) { // images/* and qml/js mimetypes