Bug#834732: dkms compiler erro

[Christian Mueller]

For the sake of completeness, here's the dkms compiler error with kernel 
3.16.7:

...
  CC [M]  /var/lib/dkms/fglrx/15.12/build/firegl_public.o
/var/lib/dkms/fglrx/15.12/build/firegl_public.c: In function 
‘KCL_LockUserPages’:
/var/lib/dkms/fglrx/15.12/build/firegl_public.c:3231:5: error: implicit 
declaration of function ‘get_user_pages_remote’ 
[-Werror=implicit-function-declaration]
     ret = get_user_pages_remote(current, current->mm, vaddr, page_cnt, 
1, 0, (struct page **)page_list, NULL);
     ^
...