Fix init bug in playback window. Update version and required GVRET version.

config.h

@@ -1,12 +1,12 @@
 #ifndef CONFIG
 #define CONFIG
 
-#define VERSION             118
+#define VERSION             119
 
 //try to keep this in sync.
 //SavvyCAN will complain if you connect a GVRET board with a revision
 //less than this number.
-#define CURRENT_GVRET_VER   318
+#define CURRENT_GVRET_VER   319
 
 #endif // CONFIG
 

frameplaybackwindow.cpp

@@ -108,6 +108,7 @@ void FramePlaybackWindow::readSettings()
     }
     ui->spinPlaySpeed->setValue(settings.value("Playback/DefSpeed", 5).toInt());
     ui->comboCANBus->setCurrentIndex(settings.value("Playback/SendingBus", 4).toInt());
+    whichBusSend = ui->comboCANBus->currentIndex();
 }
 
 void FramePlaybackWindow::writeSettings()