Added tests for socklen_t
diff --git a/acconfig.h b/acconfig.h
index 17257c0..bc411ab 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -84,6 +84,9 @@
 /* sizeof(void *) */
 #undef SIZEOF_VOID_P
 
+/* Define to `int' if <sys/types.h> doesn't define.  */
+#undef socklen_t
+
 /* Define for SOLARIS 2.x */
 #undef SOLARIS