src/xvba_driver.c: Use XCloseDisplay() when calling XOpenDisplay() in vaInitialize

When calling XOpenDisplay in vaInitialize, then also call XCloseDisplay in vaTerminate.

src/xvba_driver.c

@@ -125,6 +125,7 @@ static void xvba_common_Terminate(xvba_driver_data_t *driver_data)
     }
 
     xvba_gate_exit();
+    XCloseDisplay(driver_data->x11_dpy_local);
 }
 
 // vaInitialize