Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
command line for Windows builds.  This should allow MSVC to import and
build the Python MSVC6 project files without error.
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c
index 966c8ba..83d21e2 100644
--- a/Modules/unicodedata.c
+++ b/Modules/unicodedata.c
@@ -460,7 +460,7 @@
 
 PyDoc_STRVAR(unicodedata_docstring, "unicode character database");
 
-DL_EXPORT(void)
+PyMODINIT_FUNC
 initunicodedata(void)
 {
     PyObject *m, *v;