fix use of wrong constant in x86.cpp
fix use of wrong constant in x86.cpp

lostdj/avian,getlantern/avian,marcinolawski/avian,bgould/avian,getlantern/avian,minor-jason/avian,ucdseniordesign/avian,joshuawarner32/avian,marcinolawski/avian,lostdj/avian,MaartenR/avian,bgould/avian,dicej/avian,joshuawarner32/avian,minor-jason/avian,badlogic/avian,minor-jason/avian,dicej/avian,MaartenR/avian,MaartenR/avian,dicej/avian,bigfatbrowncat/avian-pack.avian,bgould/avian,getlantern/avian,marcinolawski/avian,lwahlmeier/avian,lwahlmeier/avian,lostdj/avian,marcinolawski/avian,ucdseniordesign/avian,MaartenR/avian,bgould/avian,bigfatbrowncat/avian-pack.avian,badlogic/avian,lwahlmeier/avian,bigfatbrowncat/avian-pack.avian,joshuawarner32/avian,lostdj/avian,joshuawarner32/avian,lwahlmeier/avian,ucdseniordesign/avian,ucdseniordesign/avian,badlogic/avian,getlantern/avian,dicej/avian,minor-jason/avian,bigfatbrowncat/avian-pack.avian,badlogic/avian