Fix build error on Linux
Fix build error on Linux

jeffh/Nimble,DanielAsher/Nimble,abbeycode/Nimble,twobitlabs/Nimble,Quick/Nimble,dgdosen/Nimble,jeffh/Nimble,abbeycode/Nimble,AnthonyMDev/Nimble,abbeycode/Nimble,DanielAsher/Nimble,AnthonyMDev/Nimble,phatblat/Nimble,jeffh/Nimble,jeffh/Nimble,dgdosen/Nimble,DanielAsher/Nimble,dgdosen/Nimble,AnthonyMDev/Nimble,dgdosen/Nimble,twobitlabs/Nimble,Quick/Nimble,phatblat/Nimble,Quick/Nimble,twobitlabs/Nimble,abbeycode/Nimble,phatblat/Nimble