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

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

src/plugins/genericprojectmanager/genericproject.cpp

@@ -185,7 +185,7 @@ bool GenericProject::addFiles(const QStringList &filePaths)
     foreach (const QString &path, toAdd) {
         QString relative = dir.relativeFilePath(path);
         if (relative.isEmpty())
-            relative = QLatin1String(".");
+            relative = QLatin1Char('.');
         m_rawProjectIncludePaths.append(relative);
     }