haproxy: fix target avr32, which has old implementation of accept4

Signed-off-by: Thomas Heil <heil@terminal-consulting.de>
haproxy: fix target avr32, which has old implementation of accept4

Signed-off-by: Thomas Heil <heil@terminal-consulting.de>
haproxy: fix target avr32, which has old implementation of accept4

Signed-off-by: Thomas Heil <heil@terminal-consulting.de>
haproxy: fix avr build