Fix message result.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

configure.ac

@@ -2346,7 +2346,7 @@ AS_CASE(["$target_cpu-$target_os"],
     AC_LIBOBJ([coroutine/x86/Context])
   ],
   [x64-mingw32], [
-    AC_MSG_RESULT(x86)
+    AC_MSG_RESULT(win64)
     COROUTINE_H=coroutine/win64/Context.h
     AC_DEFINE_UNQUOTED(FIBER_USE_COROUTINE, ["$COROUTINE_H"])
     AC_LIBOBJ([coroutine/win64/Context])