+ fix build failure with gcc

src/Gui/propertyeditor/PropertyItem.cpp

@@ -113,7 +113,7 @@ bool PropertyItem::hasProperty(const App::Property* prop) const
 
 bool PropertyItem::removeProperty(const App::Property* prop)
 {
-    std::vector<App::Property*>::const_iterator it = std::find(propertyItems.begin(), propertyItems.end(), prop);
+    std::vector<App::Property*>::iterator it = std::find(propertyItems.begin(), propertyItems.end(), prop);
     if (it != propertyItems.end()) {
         propertyItems.erase(it);
     }

src/Gui/propertyeditor/PropertyModel.cpp

@@ -314,7 +314,6 @@ void PropertyModel::appendProperty(const App::Property& prop)
 
 void PropertyModel::removeProperty(const App::Property& prop)
 {
-    int column = 1;
     int numChild = rootItem->childCount();
     for (int row=0; row<numChild; row++) {
         PropertyItem* child = rootItem->child(row);