Fix loading bridged VST state

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

source/backend/plugin/CarlaPluginJuce.cpp

@@ -1413,7 +1413,7 @@ private:
 
         if (! compareMagic(set[0], "CcnK"))
             return false;
-        if (! compareMagic(set[2], "FBCh"))
+        if (! compareMagic(set[2], "FBCh") && ! compareMagic(set[2], "FJuc"))
             return false;
         if (fxbSwap(set[3]) > 1)
             return false;