update swig on windows

winx64/bin/swigwin-4.0.0/Lib/guile/std_common.i

@@ -0,0 +1,25 @@
+/* -----------------------------------------------------------------------------
+ * std_common.i
+ *
+ * SWIG typemaps for STL - common utilities
+ * ----------------------------------------------------------------------------- */
+
+%include <std/std_except.i>
+
+%apply size_t { std::size_t };
+
+#define SWIG_bool2scm(b) scm_from_bool(b ? 1 : 0)
+#define SWIG_string2scm(s) SWIG_str02scm(s.c_str())
+
+%{
+#include <string>
+
+SWIGINTERNINLINE
+std::string SWIG_scm2string(SCM x) {
+    char* temp;
+    temp = SWIG_scm2str(x);
+    std::string s(temp);
+    if (temp) SWIG_free(temp);
+    return s;
+}
+%}