[ fix ] missing exit prototype, include stdlib.h
[ fix ] missing exit prototype, include stdlib.h

12019/stlink,braincorp/stlink,ros2/stlink,trigrass2/stlink,12019/stlink,swegener/stlink,gtalusan/stlink,chaosAD/stlink,fedorcomander/stlink,gtalusan/stlink,fedorcomander/stlink,braincorp/stlink,chaosAD/stlink,trigrass2/stlink,ros2/stlink,simonjwright/stlink,simonjwright/stlink,swegener/stlink