go 1.8 does not want this wrapped in unsafe pointer it appears

avio.go

@@ -103,7 +103,7 @@ func (this *AVIOContext) Free() {
 }
 
 func (this *AVIOContext) Flush() {
-	C.avio_flush(unsafe.Pointer(this.avAVIOContext))
+	C.avio_flush(this.avAVIOContext)
 }
 
 //export readCallBack

codecCtx.go

@@ -217,7 +217,7 @@ func (this *CodecCtx) Free() {
 
 func (this *CodecCtx) CloseAndRelease() {
 	this.Close()
-	C.call_av_freep(unsafe.Pointer(this.avCodecCtx))
+       C.call_av_freep(this.avCodecCtx)
 }
 
 // @todo