net: cosmetic: tftp.* checkpatch compliance

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/net/tftp.h b/net/tftp.h
index c51aa25..18e4c9c 100644
--- a/net/tftp.h
+++ b/net/tftp.h
@@ -19,7 +19,7 @@
 void TftpStart(enum proto_t protocol);	/* Begin TFTP get/put */
 
 #ifdef CONFIG_CMD_TFTPSRV
-extern void	TftpStartServer(void);	/* Wait for incoming TFTP put */
+extern void TftpStartServer(void);	/* Wait for incoming TFTP put */
 #endif
 
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