codelab: forward: fix compiler warning

Author: vmaffione

codelab/forward.c

@@ -217,5 +217,7 @@ main(int argc, char **argv)
 
     main_loop(netmap_port_one, netmap_port_two, udp_port);
 
+    (void)pkt_select; /* silence the compiler */
+
     return 0;
 }

codelab/sink.c

@@ -21,7 +21,6 @@
 #include <netinet/udp.h>
 #include <netinet/tcp.h>
 
-
 static int stop = 0;
 
 static void
@@ -61,7 +60,6 @@ static int
 main_loop(const char *netmap_port, int udp_port)
 {
     while (!stop) {
-	(void)udp_port_match; /* silence the compiler */
     }
 
     return 0;
@@ -128,5 +126,7 @@ main(int argc, char **argv)
 
     main_loop(netmap_port, udp_port);
 
+    (void)udp_port_match; /* silence the compiler */
+
     return 0;
 }

codelab/swap.c

@@ -69,10 +69,10 @@ pkt_udp_port_swap(char *buf)
         /* Filter out non-UDP traffic. */
         return 0;
     }
-    udph         = (struct udphdr *)(iph + 1);
-    tmp          = udph->uh_sport;
+    udph           = (struct udphdr *)(iph + 1);
+    tmp            = udph->uh_sport;
     udph->uh_sport = udph->uh_dport;
-    udph->uh_dport   = tmp;
+    udph->uh_dport = tmp;
 
     return 1;
 }