libcody: Add netinet.h

[Nathan Sidwell]

We explicitly need to inlude netinet.h, (despite what happened on my 
test systems)

            libcody/
            * netclient.cc: Add netinet.h.
--
Nathan Sidwell
diff --git c/libcody/netclient.cc w/libcody/netclient.cc
index 8cccface71c..7f81dd91810 100644
--- c/libcody/netclient.cc
+++ w/libcody/netclient.cc
@@ -13,6 +13,7 @@
 #include <netdb.h>
 #include <unistd.h>
 #include <arpa/inet.h>
+#include <netinet/in.h>
 #include <sys/un.h>
 
 #ifndef AI_NUMERICSERV