FakeVim: Use a FilePathAspect for .vimrc

Even if it's not used as such, it would be the right thing to use.

Change-Id: I7f8931b581af6a97231c49c20e7adc56ad2efff6
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/fakevim/fakevimplugin.cpp

@@ -1183,7 +1183,7 @@ void FakeVimPluginPrivate::maybeReadVimRc()
     //qDebug() << theFakeVimSetting(ConfigShiftWidth)->value();
     if (!settings().readVimRc())
         return;
-    QString fileName = settings().vimRcPath();
+    QString fileName = settings().vimRcPath().path();
     if (fileName.isEmpty()) {
         fileName = QStandardPaths::writableLocation(QStandardPaths::HomeLocation)
             + QLatin1String(HostOsInfo::isWindowsHost() ? "/_vimrc" : "/.vimrc");