update swig on windows

winx64/bin/swigwin-4.0.0/Lib/std/std_streambuf.i

@@ -0,0 +1,94 @@
+%include <std_ios.i>
+%{
+#ifndef SWIG_STD_NOMODERN_STL
+#include <streambuf>
+#else
+#include <streambuf.h>
+#endif
+%}
+
+namespace std {
+
+  template<typename _CharT, typename _Traits = char_traits<_CharT> >
+  class basic_streambuf 
+  {
+  public:
+    // Types:
+    typedef _CharT 					char_type;
+    typedef _Traits 					traits_type;
+    typedef typename traits_type::int_type 		int_type;
+    typedef typename traits_type::pos_type 		pos_type;
+    typedef typename traits_type::off_type 		off_type;
+
+  public:
+    virtual 
+    ~basic_streambuf();
+
+    // Locales:
+    locale 
+    pubimbue(const locale &__loc);
+
+    locale   
+    getloc() const; 
+
+    // Buffer and positioning:
+    basic_streambuf<_CharT, _Traits>* 
+    pubsetbuf(char_type* __s, streamsize __n);
+
+    pos_type 
+    pubseekoff(off_type __off, ios_base::seekdir __way, 
+	       ios_base::openmode __mode = std::ios_base::in | std::ios_base::out);
+
+    pos_type 
+    pubseekpos(pos_type __sp,
+	       ios_base::openmode __mode = std::ios_base::in | std::ios_base::out);
+
+    int 
+    pubsync() ;
+
+    // Get and put areas:
+    // Get area:
+    streamsize 
+    in_avail();
+
+    int_type 
+    snextc();
+
+    int_type 
+    sbumpc();
+
+    int_type 
+    sgetc();
+
+    streamsize 
+    sgetn(char_type* __s, streamsize __n);
+
+    // Putback:
+    int_type 
+    sputbackc(char_type __c);
+
+    int_type 
+    sungetc();
+
+    // Put area:
+    int_type 
+    sputc(char_type __c);
+
+    streamsize 
+    sputn(const char_type* __s, streamsize __n);
+
+  protected:
+    basic_streambuf();
+
+  private:
+    basic_streambuf(const basic_streambuf& other);
+
+  }; 
+}
+
+namespace std {
+  %template(streambuf) basic_streambuf<char>;
+#if defined(SWIG_WCHAR)
+  %template(wstreambuf) basic_streambuf<wchar_t>;
+#endif
+}