win32: correctly enable debug mode
win32: correctly enable debug mode

wangwei1237/libirecovery,ieswxia/libirecovery,libimobiledevice-win32/libirecovery,xerub/libirecovery,libimobiledevice/libirecovery,Chronic-Dev/libirecovery,xerub/libirecovery,aburgh/libirecovery,wangwei1237/libirecovery,libimobiledevice/libirecovery,Chronic-Dev/libirecovery,ieswxia/libirecovery,aburgh/libirecovery,libimobiledevice-win32/libirecovery