make WIN32 defined for Borland properly, as told by Alexander J. Oss
diff --git a/lib/setup.h b/lib/setup.h
index 1bc3235..69f4227 100644
--- a/lib/setup.h
+++ b/lib/setup.h
@@ -35,9 +35,8 @@
 #define CURL_DISABLE_GOPHER
 #endif
 
-#if !defined(WIN32) && defined(_WIN32)
-/* This _might_ be a good Borland fix. Please report whether this works or
-   not! */
+#if !defined(WIN32) && defined(__WIN32__)
+/* This should be a good Borland fix. Alexander J. Oss told us! */
 #define WIN32
 #endif
 
diff --git a/src/setup.h b/src/setup.h
index 5cf5e67..79539a6 100644
--- a/src/setup.h
+++ b/src/setup.h
@@ -25,9 +25,8 @@
 
 #include <stdio.h>
 
-#if !defined(WIN32) && defined(_WIN32)
-/* This _might_ be a good Borland fix. Please report whether this works or
-   not! */
+#if !defined(WIN32) && defined(__WIN32__)
+/* Borland fix */
 #define WIN32
 #endif