1. 修复球机的登出接口未导出

Hikvision.go

@@ -38,7 +38,7 @@ func Init() {
 
 	purego.RegisterLibFunc(&newHIKBallCamera, libc, "NewHIKBallCamera")
 	purego.RegisterLibFunc(&initBallCamera, libc, "InitBallCamera")
-	purego.RegisterLibFunc(&ballCameraLogout, libc, "InitBallCamera")
+	purego.RegisterLibFunc(&ballCameraLogout, libc, "LogoutBallCamera")
 
 	purego.RegisterLibFunc(&ptzTo, libc, "PtzGotoPut")
 	purego.RegisterLibFunc(&ptzGet, libc, "PtzGet")