Fix JACK internal client build

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

source/backend/engine/CarlaEngineJack.cpp

@@ -4368,7 +4368,6 @@ void jack_finish(void *arg);
 
 #ifdef CARLA_OS_UNIX
 # include "ThreadSafeFFTW.hpp"
-static ThreadSafeFFTW sThreadSafeFFTW;
 #endif
 
 // -----------------------------------------------------------------------
@@ -4378,6 +4377,10 @@ int jack_initialize(jack_client_t* const client, const char* const load_init)
 {
     CARLA_BACKEND_USE_NAMESPACE
 
+#ifdef CARLA_OS_UNIX
+    static const ThreadSafeFFTW sThreadSafeFFTW;
+#endif
+
     EngineProcessMode mode;
     if (load_init != nullptr && std::strcmp(load_init, "rack") == 0)
         mode = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;
@@ -4405,20 +4408,13 @@ int jack_initialize(jack_client_t* const client, const char* const load_init)
     engine->setOption(ENGINE_OPTION_PATH_RESOURCES, 0, "/usr/share/resources");
 
     if (engine->initInternal(client))
-    {
-#ifdef CARLA_OS_UNIX
-        sThreadSafeFFTW.init();
-#endif
         return 0;
-    }
-    else
-    {
-        delete engine;
+
+    delete engine;
 #ifdef USING_JUCE
-        juce::shutdownJuce_GUI();
+    juce::shutdownJuce_GUI();
 #endif
-        return 1;
-    }
+    return 1;
 }
 
 CARLA_EXPORT
@@ -4429,10 +4425,6 @@ void jack_finish(void *arg)
     CarlaEngineJack* const engine = (CarlaEngineJack*)arg;;
     CARLA_SAFE_ASSERT_RETURN(engine != nullptr,);
 
-#ifdef CARLA_OS_UNIX
-    const ThreadSafeFFTW::Deinitializer tsfftwde(sThreadSafeFFTW);
-#endif
-
     engine->setAboutToClose();
     engine->removeAllPlugins();
     engine->close();