Fix when __attribute__() is stubbed out, add ATTRIBUTE_FORMAT() for specifying
__attribute__((format(...))) safely, make more use of the format attribute,
and fix some of the warnings that this turns up (plus a bonus unrelated one).
include/m_ctype.h:
Add ATTRIBUTE_FORMAT to printf-like functions.
include/m_string.h:
Add ATTRIBUTE_FORMAT to my_snprintf() declaration.
include/my_global.h:
Fix neutering of __attribute__() on old versions of GCC and non-GCC compilers.
Add ATTRIBUTE_FORMAT() macro for setting __attribute_((format(...)), since it
is available from different versions of gcc and g++.
include/my_sys.h:
Add ATTRIBUTE_FORMAT() to my_printf_error declaration
sql/item_subselect.cc:
Silence warning about members being initialized out-of-order
sql/item_timefunc.cc:
Fix format specifier in snprintf() calls with milliseconds
sql/mysql_priv.h:
Add ATTRIBUTE_FORMAT to printf-like functions.
sql/mysqld.cc:
Fix various format specifiers
Make sure that method_conv is always set by myisam_stats_method
sql/opt_range.cc:
Cast pointers to correct type for %lx
sql/set_var.cc:
Fix __attribute__((unused)) (missing inner set of parens)
sql/slave.cc:
Fix format specifier
sql/slave.h:
Add ATTRIBUTE_FORMAT to slave_print_error() declaration.
sql/sql_acl.cc:
Fix number of arguments passed for formatting, and fix acl_host_or_ip being
passed instead of just the hostname.
sql/sql_class.h:
Add ATTRIBUTE_FORMAT to MYSQL_LOG::write().