net: link_local: fix build

Fix comment within comment build error.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Joe Hershberger <joe.hershberger@gmail.com>
diff --git a/net/link_local.c b/net/link_local.c
index 8e7665f..d52f13a 100644
--- a/net/link_local.c
+++ b/net/link_local.c
@@ -225,8 +225,8 @@
 			timeout_ms = diff | 1; /* never 0 */
 		}
 	}
-/*
- * XXX Don't bother with ethernet link just yet
+#if 0
+ /* XXX Don't bother with ethernet link just yet */
 	if ((fds[0].revents & POLLIN) == 0) {
 		if (fds[0].revents & POLLERR) {
 			/*
@@ -240,7 +240,7 @@
 		}
 		continue;
 	}
-*/
+#endif
 
 	debug_cond(DEBUG_INT_STATE, "%s recv arp type=%d, op=%d,\n",
 		eth_get_name(), ntohs(arp->ar_pro),