update swig on windows

winx64/bin/swigwin-4.0.0/Lib/scilab/std_string.i

@@ -0,0 +1,39 @@
+/*
+ * POINTER
+ */
+%fragment(SWIG_AsPtr_frag(std::string), "header", fragment="SWIG_SciString_AsCharPtrAndSize") {
+SWIGINTERN int
+SWIG_AsPtr_dec(std::string)(int iVar, std::string **pstValue) {
+  char* buf = 0;
+  size_t size = 0;
+  int alloc = SWIG_OLDOBJ;
+
+  if (SWIG_IsOK((SWIG_SciString_AsCharPtrAndSize(pvApiCtx, iVar, &buf, &size, &alloc, SWIG_Scilab_GetFuncName())))) {
+    if (buf) {
+      if (pstValue) {
+        *pstValue = new std::string(buf, size);
+      }
+      if (alloc == SWIG_NEWOBJ) {
+        delete[] buf;
+      }
+      return SWIG_NEWOBJ;
+    } else {
+      if (pstValue) {
+        *pstValue = NULL;
+      }
+      return SWIG_OLDOBJ;
+    }
+  } else {
+    return SWIG_ERROR;
+  }
+}
+}
+
+%fragment(SWIG_From_frag(std::string), "header", fragment="SWIG_SciString_FromCharPtr") {
+SWIGINTERN int
+SWIG_From_dec(std::string)(std::string pstValue) {
+    return SWIG_SciString_FromCharPtr(pvApiCtx, SWIG_Scilab_GetOutputPosition(), pstValue.c_str());
+}
+}
+
+%include <typemaps/std_string.swg>