Fix new OSX build

distrho/src/DistrhoPluginLV2.cpp

@@ -309,7 +309,7 @@ public:
                                     fURIDs.timeFrame, &frame,
                                     fURIDs.timeSpeed, &speed,
                                     fURIDs.timeTicksPerBeat, &ticksPerBeat,
-                                    nullptr);
+                                    0);
 
                 // need to handle this first as other values depend on it
                 if (ticksPerBeat != nullptr)