Add missing GNU stack markings in win32.S
Add missing GNU stack markings in win32.S

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