app-emulation/vmware-modules: add support for kernel 4.9

[baergj]

4.9 introduced a change to the get_user_pages() API: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=768ae309a96103ed02eb1e111e838c87854d8b51

I've tested this locally and it seems to be working fine.

[eteran]

thanks, I'll take a look at this tonight