fixed configure.ac

moo/configure

@@ -21634,6 +21634,7 @@ if ${ac_cv_sizeof_sa_family_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (sa_family_t))" "ac_cv_sizeof_sa_family_t"        "
+		#include <sys/types.h>
 		#include <sys/socket.h>
 		#include <netinet/in.h>
 "; then :
@@ -21674,6 +21675,7 @@ else
 /* end confdefs.h.  */
 #include <sys/types.h>
 			 #include <sys/socket.h>
+			 #include <netinet/in.h>
 int
 main ()
 {