[bug-mailutils] mailutils (dev snaphots and git) does not build with mysql support enabled

[Oleg Vinichenko]

fatal error: mysql/plugin_auth_common.h: No such file or directory

In file included from /usr/include/mysql/mysql.h:64:0,
                 from mysql.c:26:
/usr/include/mysql/mysql/client_plugin.h:103:38: fatal error: 
mysql/plugin_auth_common.h: No such file or directory
 #include <mysql/plugin_auth_common.h>
                                      ^
compilation terminated.
Makefile:1242: recipe for target 'mysql.lo' failed
make[2]: *** [mysql.lo] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory 
'/var/tmp/portage/net-mail/mailutils-2.99.99/work/mailutils-2.99.99/sql'
Makefile:1304: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory 
'/var/tmp/portage/net-mail/mailutils-2.99.99/work/mailutils-2.99.99'
Makefile:1188: recipe for target 'all' failed