same fix for vst

distrho/src/DistrhoPluginVST.cpp

@@ -752,6 +752,10 @@ private:
     {
         fPlugin.setState(newKey, newValue);
 
+        // check if we want to save this key
+        if (! fPlugin.wantsStateKey(key))
+            return;
+
         // check if key already exists
         for (auto it = fStateMap.begin(), end = fStateMap.end(); it != end; ++it)
         {
@@ -764,7 +768,7 @@ private:
             }
         }
 
-        // add a new one then
+        // nope, add a new one then
         d_string d_key(newKey);
         fStateMap[d_key] = newValue;
     }