smb: client: Omit one redundant variable assignment in cifs_xattr_set()

The local variable “rc” is assigned a value in an if branch without
using it before it is reassigned there.
Thus delete this assignment statement.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: elfring

fs/smb/client/xattr.c

@@ -178,7 +178,6 @@ static int cifs_xattr_set(const struct xattr_handler *handler,
 			memcpy(pacl, value, size);
 			if (pTcon->ses->server->ops->set_acl) {
 				int aclflags = 0;
-				rc = 0;
 
 				switch (handler->flags) {
 				case XATTR_CIFS_NTSD_FULL: