TFTP: net/tftp.c: add server mode receive

Signed-off-by: Luca Ceresoli <luca.ceresoli@comelit.it>
Cc: Wolfgang Denk <wd@denx.de>
Acked-by: Detlev Zundel <dzu@denx.de>
diff --git a/net/tftp.h b/net/tftp.h
index e3dfb26..3abdf7b 100644
--- a/net/tftp.h
+++ b/net/tftp.h
@@ -2,6 +2,8 @@
  *	LiMon - BOOTP/TFTP.
  *
  *	Copyright 1994, 1995, 2000 Neil Russell.
+ *	Copyright 2011 Comelit Group SpA
+ *	               Luca Ceresoli <luca.ceresoli@comelit.it>
  *	(See License)
  */
 
@@ -16,6 +18,10 @@
 /* tftp.c */
 extern void	TftpStart (void);	/* Begin TFTP get */
 
+#ifdef CONFIG_CMD_TFTPSRV
+extern void	TftpStartServer(void);	/* Wait for incoming TFTP put */
+#endif
+
 /**********************************************************************/
 
 #endif /* __TFTP_H__ */