ncd/value_utils.h: fix compile error
ncd/value_utils.h: fix compile error


LazyZhu/badvpn,tempbottle/badvpn,chrisballinger/badvpn,Git-Host/badvpn,PowerOlive/badvpn,LazyZhu/badvpn,PowerOlive/badvpn,Git-Host/badvpn,binondord/badvpn,LazyZhu/badvpn,PowerOlive/badvpn,Git-Host/badvpn,tempbottle/badvpn,Git-Host/badvpn,chrisballinger/badvpn,LazyZhu/badvpn,binondord/badvpn,tempbottle/badvpn,linfengfeiye/badvpn,PowerOlive/badvpn,chrisballinger/badvpn,binondord/badvpn,linfengfeiye/badvpn,linfengfeiye/badvpn,Git-Host/badvpn,tempbottle/badvpn,chrisballinger/badvpn,binondord/badvpn,linfengfeiye/badvpn,PowerOlive/badvpn,binondord/badvpn,linfengfeiye/badvpn,LazyZhu/badvpn,tempbottle/badvpn