interface/csp_if_udp.h: Replace arpa/inet.h with netinet/in.h
"struct sockaddr_in" is defined in <netinet/in.h>.
@@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#include <csp/csp.h>
#include <csp/arch/csp_thread.h>
-#include <arpa/inet.h>
+#include <netinet/in.h>
typedef struct {
