Fix the build for windows
Fix the build for windows

Problem introduced in caf6150. Thanks to @drak for noticing. Fixes #4473.

(cherry picked from commit afe380ef0f1c70185fc7c50e1a75e589ff3382dd)

reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin