package/memcached: remove patch numbering

check-package:
package/memcached/0002-check-for-sys-auxv.h.patch:4: generate your patches with 'git format-patch -N'

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/memcached/0002-check-for-sys-auxv.h.patch

@@ -1,7 +1,7 @@
 From 58b6de2135c10b64918f25c48f69f144d08a9c0d Mon Sep 17 00:00:00 2001
 From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 Date: Fri, 3 Jun 2022 19:10:15 +0200
-Subject: [PATCH 2/2] check for sys/auxv.h
+Subject: [PATCH] check for sys/auxv.h
 
 Check for sys/auxv.h to avoid the following uclibc build failure on
 aarch64: