clang: fix -Wunused-but-set-variable

src/Mod/TechDraw/Gui/TaskLinkDim.cpp

@@ -93,13 +93,13 @@ void TaskLinkDim::loadAvailDims()
     std::vector<App::DocumentObject*>::iterator itView = pageViews.begin();
     std::string result;
     int selRefType = TechDraw::DrawViewDimension::getRefTypeSubElements(m_subs);
-    int found = 0;
+    //int found = 0;
     for (; itView != pageViews.end(); itView++) {
         if ((*itView)->isDerivedFrom(TechDraw::DrawViewDimension::getClassTypeId())) {
             TechDraw::DrawViewDimension* dim = static_cast<TechDraw::DrawViewDimension*>((*itView));
             int dimRefType = dim->getRefType();
             if (dimRefType == selRefType) {                                     //potential matches
-                found++;
+    //            found++;
                 if (dim->has3DReferences()) {
                     if (dimReferencesSelection(dim))  {
                         loadToTree(dim, true, guiDoc);