[CIFS] Fix memory leak in statfs to very old servers

We were allocating request buffers twice in the statfs
path when mounted to very old (Windows 9x) servers.

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 41e3b6a..ea359a0 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,3 +1,8 @@
+Version 1.51
+------------
+Fix memory leak in statfs when mounted to very old servers (e.g.
+Windows 9x)
+
 Version 1.50
 ------------
 Fix NTLMv2 signing. NFS server mounted over cifs works (if cifs mount is