[CIFS] Readdir fixes to allow search to start at arbitrary position
in directory

Also includes first part of fix to compensate for servers which forget
to return . and .. as well as updates to changelog and cifs readme.

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index d705500..fd36892 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -3119,7 +3119,7 @@
 				psrch_inf->endOfSearch = FALSE;
 
 			psrch_inf->entries_in_buffer  = le16_to_cpu(parms->SearchCount);
-			psrch_inf->index_of_last_entry = 
+			psrch_inf->index_of_last_entry = 2 /* skip . and .. */ +
 				psrch_inf->entries_in_buffer;
 			*pnetfid = parms->SearchHandle;
 		} else {