Fix build problems with the platform SDK on windows. It is not sufficient to...

Fix build problems with the platform SDK on windows.  It is not sufficient to test for the C compiler version when determining if we have the secure CRT from microsoft.  Must test with an undocumented macro, __STDC_SECURE_LIB__ too.

Modules/timemodule.c

@@ -467,7 +467,7 @@ time_strftime(PyObject *self, PyObject *args)
 			return ret;
 		}
 		free(outbuf);
-#if defined _MSC_VER && _MSC_VER >= 1400
+#if defined _MSC_VER && _MSC_VER >= 1400 && defined(__STDC_SECURE_LIB__)
 		/* VisualStudio .NET 2005 does this properly */
 		if (buflen == 0 && errno == EINVAL) {
 			PyErr_SetString(PyExc_ValueError, "Invalid format string");

Objects/exceptions.c

@@ -1967,7 +1967,7 @@ static PyMethodDef functions[] = {
     if (PyDict_SetItemString(bdict, # TYPE, PyExc_ ## TYPE)) \
         Py_FatalError("Module dictionary insertion problem.");
 
-#if defined _MSC_VER && _MSC_VER >= 1400
+#if defined _MSC_VER && _MSC_VER >= 1400 && defined(__STDC_SECURE_LIB__)
 /* crt variable checking in VisualStudio .NET 2005 */
 #include <crtdbg.h>
 
@@ -2120,7 +2120,7 @@ _PyExc_Init(void)
 
     Py_DECREF(bltinmod);
 
-#if defined _MSC_VER && _MSC_VER >= 1400
+#if defined _MSC_VER && _MSC_VER >= 1400 && defined(__STDC_SECURE_LIB__)
     /* Set CRT argument error handler */
     prevCrtHandler = _set_invalid_parameter_handler(InvalidParameterHandler);
     /* turn off assertions in debug mode */
@@ -2133,7 +2133,7 @@ _PyExc_Fini(void)
 {
     Py_XDECREF(PyExc_MemoryErrorInst);
     PyExc_MemoryErrorInst = NULL;
-#if defined _MSC_VER && _MSC_VER >= 1400
+#if defined _MSC_VER && _MSC_VER >= 1400 && defined(__STDC_SECURE_LIB__)
     /* reset CRT error handling */
     _set_invalid_parameter_handler(prevCrtHandler);
     _CrtSetReportMode(_CRT_ASSERT, prevCrtReportMode);

Objects/fileobject.c

@@ -241,7 +241,7 @@ open_the_file(PyFileObject *f, char *name, char *mode)
 	}
 
 	if (f->f_fp == NULL) {
-#if defined  _MSC_VER && _MSC_VER < 1400
+#if defined  _MSC_VER && (_MSC_VER < 1400 || !defined(__STDC_SECURE_LIB__))
 		/* MSVC 6 (Microsoft) leaves errno at 0 for bad mode strings,
 		 * across all Windows flavors.  When it sets EINVAL varies
 		 * across Windows flavors, the exact conditions aren't