Follow-up for WL#11652 Support multiple addresses for the --bind-address command option

This patch updates description of the command line option --bind-address
to reflect changes in its value format

Author: Dmitry Shulga

mysql-test/r/mysqld--help-notwin.result

@@ -44,7 +44,11 @@ The following options may be given as the first argument:
  resolved relative to this
  --big-tables        Allow big result sets by saving all temporary sets on
  file (Solves most 'table full' errors)
- --bind-address=name IP address to bind to.
+ --bind-address=name IP address(es) to bind to. Syntax: address[,address]...,
+ where address can be an IPv4 address, IPv6 address, host
+ name or one of the wildcard values *, ::, 0.0.0.0. In
+ case more than one address is specified in a
+ comma-separated list, wildcard values are not allowed.
  --binlog-cache-size=# 
  The size of the transactional cache for updates to
  transactional engines for the binary log. If you often

mysql-test/r/mysqld--help-win.result

@@ -44,7 +44,11 @@ The following options may be given as the first argument:
  resolved relative to this
  --big-tables        Allow big result sets by saving all temporary sets on
  file (Solves most 'table full' errors)
- --bind-address=name IP address to bind to.
+ --bind-address=name IP address(es) to bind to. Syntax: address[,address]...,
+ where address can be an IPv4 address, IPv6 address, host
+ name or one of the wildcard values *, ::, 0.0.0.0. In
+ case more than one address is specified in a
+ comma-separated list, wildcard values are not allowed.
  --binlog-cache-size=# 
  The size of the transactional cache for updates to
  transactional engines for the binary log. If you often

sql/sys_vars.cc

@@ -749,7 +749,12 @@ static Sys_var_uint Sys_default_password_lifetime(
     &Plock_default_password_lifetime);
 
 static Sys_var_charptr Sys_my_bind_addr(
-    "bind_address", "IP address to bind to.",
+    "bind_address",
+    "IP address(es) to bind to. Syntax: address[,address]...,"
+    " where address can be an IPv4 address, IPv6 address,"
+    " host name or one of the wildcard values *, ::, 0.0.0.0."
+    " In case more than one address is specified in a"
+    " comma-separated list, wildcard values are not allowed.",
     READ_ONLY NON_PERSIST GLOBAL_VAR(my_bind_addr_str), CMD_LINE(REQUIRED_ARG),
     IN_FS_CHARSET, DEFAULT(MY_BIND_ALL_ADDRESSES));