Do not allow to run carla-bridge if bridge is not ok (wine)

source/bridges-plugin/CarlaBridgePlugin.cpp

@@ -25,6 +25,7 @@
 # include <signal.h>
 #endif
 
+#include "jackbridge/JackBridge.hpp"
 #include "juce_core.h"
 
 #if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)
@@ -295,6 +296,15 @@ int main(int argc, char* argv[])
         return 1;
     }
 
+    // ---------------------------------------------------------------------
+    // Test if bridge is working
+
+    if (! jackbridge_is_ok())
+    {
+        carla_stderr("A JACK or Wine library is missing, cannot continue");
+        return 1;
+    }
+
     // ---------------------------------------------------------------------
     // Get args