From b6c038d4366d003ae00120c96e39a892e5d675c1 Mon Sep 17 00:00:00 2001
From: Tor Didriksen <tor.didriksen@oracle.com>
Date: Wed, 18 Jul 2018 10:22:21 +0200
Subject: [PATCH] Fix build break with modern compilers:

client/mysql.cc: In function void build_completion_hash(bool, bool):
client/mysql.cc:2674:37: error: invalid conversion from char to char* [-fpermissive]
       field_names[i][num_fields*2]= '\0';
---
 client/mysql.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/mysql.cc b/client/mysql.cc
index 8510361a54e..bc32a58f37e 100644
--- a/client/mysql.cc
+++ b/client/mysql.cc
@@ -2671,7 +2671,7 @@ You can turn off this feature to get a quicker startup with -A\n\n");
         mysql_free_result(fields);
         break;
       }
-      field_names[i][num_fields*2]= '\0';
+      field_names[i][num_fields*2]= NULL;
       j=0;
       while ((sql_field=mysql_fetch_field(fields)))
       {