Correct freewheel code on client side.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@3700 0c269be4-1314-0410-8aa9-9f06e86f4224

common/JackClient.cpp

@@ -211,7 +211,9 @@ int JackClient::ClientNotify(int refnum, const char* name, int notify, int sync,
                 SetupDriverSync(false);
                 if (fFreewheel)
                     fFreewheel(0, fFreewheelArg);
-                fThread.AcquireRealTime();
+                if (GetEngineControl()->fRealTime) {
+                    fThread.AcquireRealTime();
+                }
                 break;
 
             case kPortRegistrationOnCallback: