net: bootp: fix build

Fix NetSetState function name used with CONFIG_BOOTP_MAY_FAIL.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Joe Hershberger <joe.hershberger@gmail.com>

net/bootp.c

diff --git a/net/bootp.c b/net/bootp.c
index 87e30ab..c9b8349 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -330,7 +330,7 @@
 	if (BootpTry >= TIMEOUT_COUNT) {
 #ifdef CONFIG_BOOTP_MAY_FAIL
 		puts("\nRetry count exceeded\n");
-		NetSetState(NETLOOP_FAIL);
+		net_set_state(NETLOOP_FAIL);
 #else
 		puts("\nRetry count exceeded; starting again\n");
 		NetStartAgain();