Force cache clear on sets database save.

cockatrice/src/carddatabase.cpp

@@ -889,6 +889,8 @@ void CardDatabase::clearPixmapCache()
     }
     if (noCard)
         noCard->clearPixmapCache();
+
+    QPixmapCache::clear();
 }
 
 void CardDatabase::loadSetsFromXml(QXmlStreamReader &xml)

cockatrice/src/window_sets.cpp

@@ -123,6 +123,7 @@ WndSets::~WndSets()
 void WndSets::actSave()
 {
     model->save(db);
+    db->clearPixmapCache();
     QMessageBox::information(this, tr("Success"), tr("The sets database has been saved successfully."));
     close();
 }