--- jpeg-8b/jmorecfg.h	Fri Nov 20 09:01:24 2009
+++ jpeg-8b/jmorecfg.h	Fri Mar 19 01:22:26 2010
@@ -233,7 +233,11 @@
  */
 
 #ifndef HAVE_BOOLEAN
+#ifndef _BASETSD_H_		/* MSWin: mingw-w64.sf.net compiler defines it in basetsd.h */
+#ifndef _BASETSD_H		/* MSWin: mingw.org compiler defines it in basetsd.h */
 typedef int boolean;
+#endif
+#endif
 #endif
 #ifndef FALSE			/* in case these macros already exist */
 #define FALSE	0		/* values of boolean */