Merge branch 'clean' into 'master'

Appease some clang warnings

See merge request OpenMW/openmw!1794

apps/openmw/mwgui/mapwindow.cpp

@@ -530,12 +530,10 @@ namespace MWGui
             markerTexture = "textures\\detect_enchantment_icon.dds";
         }
 
-        int counter = 0;
         for (const MWWorld::Ptr& ptr : markers)
         {
             const ESM::Position& worldPos = ptr.getRefData().getPosition();
             MarkerUserData markerPos (mLocalMapRender);
-            ++counter;
             MyGUI::ImageBox* markerWidget = mLocalMap->createWidget<MyGUI::ImageBox>("ImageBox",
                 getMarkerCoordinates(worldPos.pos[0], worldPos.pos[1], markerPos, 8), MyGUI::Align::Default);
             markerWidget->setDepth(Local_MarkerAboveFogLayer);

apps/openmw/mwgui/tooltips.cpp

@@ -160,13 +160,11 @@ namespace MWGui
 
                 // try to go 1 level up until there is a widget that has tooltip
                 // this is necessary because some skin elements are actually separate widgets
-                int i=0;
                 while (!focus->isUserString("ToolTipType"))
                 {
                     focus = focus->getParent();
                     if (!focus)
                         return;
-                    ++i;
                 }
 
                 std::string type = focus->getUserString("ToolTipType");