--- a/mercurial/hgweb/common.py	Fri Feb 11 22:24:10 2011 +0800
+++ b/mercurial/hgweb/common.py	Fri Dec 24 15:23:01 2010 +0100
@@ -119,7 +119,10 @@
         os.stat(path)
         ct = mimetypes.guess_type(path)[0] or "text/plain"
         req.respond(HTTP_OK, ct, length = os.path.getsize(path))
-        return open(path, 'rb').read()
+        fp = open(path, 'rb')
+        data = fp.read()
+        fp.close()
+        return data
     except TypeError:
         raise ErrorResponse(HTTP_SERVER_ERROR, 'illegal filename')
     except OSError, err: