Update cifs version number

With SMB2 support, update from version 1.79 to 2.0 to make
it easier for users to recognize which version has SMB2 support.

Signed-off-by: Steve French <sfrench@us.ibm.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 1c49c5a..7163419 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -128,5 +128,5 @@
 extern const struct export_operations cifs_export_ops;
 #endif /* CONFIG_CIFS_NFSD_EXPORT */
 
-#define CIFS_VERSION   "1.78"
+#define CIFS_VERSION   "2.0"
 #endif				/* _CIFSFS_H */