input/nfs: use NfsFileReader::GetEventLoop()

src/input/plugins/NfsInputPlugin.cxx

@@ -41,14 +41,15 @@ static const size_t NFS_MAX_BUFFERED = 512 * 1024;
  */
 static const size_t NFS_RESUME_AT = 384 * 1024;
 
-class NfsInputStream final : public AsyncInputStream, NfsFileReader {
+class NfsInputStream final : NfsFileReader, public AsyncInputStream {
 	uint64_t next_offset;
 
 	bool reconnect_on_resume = false, reconnecting = false;
 
 public:
 	NfsInputStream(const char *_uri, Mutex &_mutex, Cond &_cond)
-		:AsyncInputStream(io_thread_get(), _uri, _mutex, _cond,
+		:AsyncInputStream(NfsFileReader::GetEventLoop(),
+				  _uri, _mutex, _cond,
 				  NFS_MAX_BUFFERED,
 				  NFS_RESUME_AT) {}