MDEV-4040 Replace deprecated SET OPTION syntax in mysqldump

mysqldump.c: s/SET OPTION/SET/
(OPTION was, hm, optional since 3.21, so there's no need to use SET OPTION even
in the old compatibility modes)

client/mysqldump.c

@@ -2513,7 +2513,7 @@ static uint get_table_structure(char *table, char *db, char *table_type,
   verbose_msg("-- Retrieving table structure for table %s...\n", table);
 
   len= my_snprintf(query_buff, sizeof(query_buff),
-                   "SET OPTION SQL_QUOTE_SHOW_CREATE=%d",
+                   "SET SQL_QUOTE_SHOW_CREATE=%d",
                    (opt_quoted || opt_keywords));
   if (!create_options)
     strmov(query_buff+len,
@@ -5068,7 +5068,7 @@ static my_bool get_view_structure(char *table, char* db)
   verbose_msg("-- Retrieving view structure for table %s...\n", table);
 
 #ifdef NOT_REALLY_USED_YET
-  sprintf(insert_pat,"SET OPTION SQL_QUOTE_SHOW_CREATE=%d",
+  sprintf(insert_pat,"SET SQL_QUOTE_SHOW_CREATE=%d",
           (opt_quoted || opt_keywords));
 #endif