Merged revisions 88036 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r88036 | antoine.pitrou | 2011-01-15 18:25:58 +0100 (sam., 15 janv. 2011) | 3 lines

  Fix mmap and test_mmap under Windows too (followup to r88022)
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diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index 6ca95c9..0e91f2c 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -1346,6 +1346,7 @@
             else
                 m_obj->size = low;
 #endif
+            m_obj->size -= offset;
         } else {
             m_obj->size = map_size;
         }