	Build fix for mingw32

diff -ur -N xpdf-3.02.orig/xpdf/GlobalParams.cc xpdf-3.02/xpdf/GlobalParams.cc
--- xpdf-3.02.orig/xpdf/GlobalParams.cc	2007-02-27 23:05:52.000000000 +0100
+++ xpdf-3.02/xpdf/GlobalParams.cc	2009-04-02 10:22:18.000000000 +0200
@@ -5,9 +5,16 @@
 // Copyright 2001-2003 Glyph & Cog, LLC
 //
 //========================================================================
+//  Modified for TeX Live by Peter Breitenlohner <tex-live@tug.org>
+//  See top-level ChangeLog for a list of all modifications
+//========================================================================
 
 #include <aconf.h>
 
+#ifdef __MINGW32__
+#undef WIN32
+#endif
+
 #ifdef USE_GCC_PRAGMAS
 #pragma implementation
 #endif
