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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/bignum.c b/bignum.c
index 8fb3d39406..f4f387cd20 100644
--- a/bignum.c
+++ b/bignum.c
@@ -15,6 +15,11 @@
 #include <ctype.h>
 
 VALUE rb_cBignum;
+
+#if defined __MINGW32__
+#define USHORT _USHORT
+#endif
+
 typedef unsigned short USHORT;
 
 #define BDIGITS(x) ((USHORT*)RBIGNUM(x)->digits)