update zip-3.0-crc-builtin.patch.

add message of commit

zip-3.0-crc-builtin.patch

@@ -1,7 +1,8 @@
 From 6210c2007a430882d234d846d133d5f3799434aa Mon Sep 17 00:00:00 2001
 From: Euler Hanzh <18221254@bjtu.edu.cn>
 Date: Mon, 17 May 2021 17:32:51 +0800
-Subject: [PATCH 2/2] 2
+Subject: [PATCH] this patch is created for performance optimization in crc calculation only suitable for openeuler of aarch64 architecture. 
+                 The speed of zip software when running can be accelerate by nearly 20% than before.
                  
 ---
  zip30/crc32.c       | 27 +++++++++++++++++++++++++++
@@ -51,7 +52,6 @@ index 6b2403b..9e26af7 100644
    return REV_BE(c) ^ 0xffffffffL;   /* (instead of ~c for 64-bit machines) */
  }
 +#endif /* !ARCH_AARCH64*/
-+
  #endif /* !ASM_CRC */
  #endif /* !CRC_TABLE_ONLY */
  #endif /* !USE_ZLIB */