Disable VST3 on MSVC until fixed

cmake/DPF-plugin.cmake

@@ -154,7 +154,11 @@ function(dpf_add_plugin NAME)
     elseif(_target STREQUAL "vst2")
       dpf__build_vst2("${NAME}" "${_dgl_library}")
     elseif(_target STREQUAL "vst3")
-      dpf__build_vst3("${NAME}" "${_dgl_library}")
+      if(MSVC)
+        message(WARNING "TODO: VST3 is not supported on MSVC yet")
+      else()
+        dpf__build_vst3("${NAME}" "${_dgl_library}")
+      endif()
     else()
       message(FATAL_ERROR "Unrecognized target type for plugin: ${_target}")
     endif()