Compile mysql client library with utf 8 support

./configure –prefix=/usr –sysconfdir=/etc –localstatedir=/var –disable-largefile –with-charset=utf8 –with-unix-socket-path=/var/lib/mysql/mysql.sock –with-mysqld-user=mysql –with-zlib-dir=/usr –without-debug –with-ssl –with-ndbcluster –without-ndb-debug –with-extra-charsets=gb2312