Remove compiler warning
Remove compiler warning

bgarrels/libffi,joshtriplett/libffi,plicease/libffi,nmav/libffi,bgarrels/libffi,plicease/libffi,biosbits/libffi,Distrotech/libffi,s1341/libffi,Distrotech/libffi,biosbits/libffi,s1341/libffi,rth7680/libffi,biosbits/libffi,nmav/libffi,plicease/libffi,rth7680/libffi,joshtriplett/libffi,nmav/libffi,Pan7/libffi,Distrotech/libffi,Pan7/libffi,Pan7/libffi,Distrotech/libffi,joshtriplett/libffi,s1341/libffi,rth7680/libffi,joshtriplett/libffi,rth7680/libffi,biosbits/libffi,plicease/libffi,nmav/libffi,Pan7/libffi,s1341/libffi,bgarrels/libffi,bgarrels/libffi