Fixing mingw build warning.
Fixing mingw build warning.

bkaradzic/bx,MikePopoloski/bx,BlueCrystalLabs/bx,dariomanesku/bx,mmicko/bx,pigpigyyy/bx,septag/termite,septag/termite,septag/termite,BlueCrystalLabs/bx,attilaz/bx,pigpigyyy/bx,OlegOAndreev/bx,bkaradzic/bx,fluffyfreak/bx,u-engine/bx,dariomanesku/bx,septag/termite,coconutxin/bx,attilaz/bx,coconutxin/bx,septag/termite,MikePopoloski/bx,OlegOAndreev/bx,septag/termite,septag/bx,0-wiz-0/bx,septag/bx,u-engine/bx,0-wiz-0/bx,fluffyfreak/bx,mmicko/bx