[CIFS] Fix setattr of mode only (e.g. in some chmod cases) to Windows
so it does not return EACCESS (unless server really returns that).

Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/inode.c

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index d7b85df..05b5258 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1219,6 +1219,7 @@
 					 cifs_sb->mnt_cifs_flags & 
 						CIFS_MOUNT_MAP_SPECIAL_CHR);
 	else if (attrs->ia_valid & ATTR_MODE) {
+		rc = 0;
 		if ((mode & S_IWUGO) == 0) /* not writeable */ {
 			if ((cifsInode->cifsAttrs & ATTR_READONLY) == 0)
 				time_buf.Attributes =