Changes for dynamic linking under NT
diff --git a/Include/stringobject.h b/Include/stringobject.h
index 6896a55..b6ec1c8 100644
--- a/Include/stringobject.h
+++ b/Include/stringobject.h
@@ -57,7 +57,7 @@
 	char ob_sval[1];
 } stringobject;
 
-extern typeobject Stringtype;
+extern DL_IMPORT typeobject Stringtype;
 
 #define is_stringobject(op) ((op)->ob_type == &Stringtype)