net/tftp.c: cosmetic: fix indentation

This removes the following checkpatch issue:
 - WARNING: suspect code indent for conditional statements

Signed-off-by: Luca Ceresoli <luca.ceresoli@comelit.it>
Cc: Wolfgang Denk <wd@denx.de>

net/tftp.c

@@ -607,7 +607,8 @@ TftpStart(void)
 		IPaddr_t ServerNet	= TftpServerIP & NetOurSubnetMask;
 
 		if (OurNet != ServerNet)
-		printf("; sending through gateway %pI4", &NetOurGatewayIP);
+			printf("; sending through gateway %pI4",
+			       &NetOurGatewayIP);
 	}
 	putc('\n');