fix Windows and GCC 3.4 builds
fix Windows and GCC 3.4 builds

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