Fix some compiler warnings

Signed-off-by: falkTX <falktx@falktx.com>

dgl/src/pugl-upstream

@@ -1 +1 @@
-Subproject commit 12640c9e41cd334f05c2a3d075c41db2c5bb7135
+Subproject commit 9552878aa764e577cd9cb0ad9933ce18e5ca9882

distrho/src/jackbridge/NativeBridge.hpp

@@ -91,6 +91,8 @@ struct NativeBridge {
         }
        #endif
         return false;
+        // maybe unused
+        (void)event;
     }
 
     void clearEventBuffer()
@@ -122,6 +124,9 @@ struct NativeBridge {
         midiOutBuffer.commitWrite();
        #endif
         return false;
+        // maybe unused
+        (void)data;
+        (void)time;
     }
 
     void allocBuffers()