update swig on windows

winx64/bin/swigwin-4.0.0/Lib/ruby/timeval.i

@@ -0,0 +1,69 @@
+/*
+  struct timeval *
+  time_t
+
+  Ruby has builtin class Time.  INPUT/OUTPUT typemap for timeval and
+  time_t is provided.
+
+*/
+%{
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+struct timeval rb_time_timeval(VALUE);
+#endif
+#ifdef __cplusplus
+}
+#endif
+%}
+
+%typemap(in) struct timeval *INPUT (struct timeval temp)
+{
+    if (NIL_P($input))
+	$1 = NULL;
+    else {
+	temp = rb_time_timeval($input);
+	$1 = &temp;
+    }
+}
+
+%typemap(in,numinputs=0) struct timeval *OUTPUT(struct timeval temp)
+{
+    $1 = &temp;
+}
+
+%typemap(argout) struct timeval *OUTPUT
+{
+    $result = rb_time_new($1->tv_sec, $1->tv_usec);
+}
+
+%typemap(out) struct timeval *
+{
+    $result = rb_time_new($1->tv_sec, $1->tv_usec);
+}
+
+%typemap(out) struct timespec *
+{
+    $result = rb_time_new($1->tv_sec, $1->tv_nsec / 1000);
+}
+
+// time_t
+%typemap(in) time_t
+{
+    if (NIL_P($input))
+	$1 = (time_t)-1;
+    else
+	$1 = NUM2LONG(rb_funcall($input, rb_intern("tv_sec"), 0));
+}
+
+%typemap(typecheck) time_t
+{
+  $1 = (NIL_P($input) || TYPE(rb_funcall($input, rb_intern("respond_to?"), 1, ID2SYM(rb_intern("tv_sec")))) == T_TRUE);
+}
+
+%typemap(out) time_t
+{
+    $result = rb_time_new($1, 0);
+}