[PATCH] um: include compiler_attributes.h where used

[Christopher Obbard]

On 26/10/2020 11:47, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg at intel.com>
> 
> Joe's commit didn't only convert uses of __section(...) to add
> the quotes, but _also_ converted 'raw' uses of __attribute__(())
> for setting the section to use __section, but didn't update the
> includes where necessary. Add them now.
> 
> Fixes: 33def8498fdd ("treewide: Convert macro and uses of __section(foo) to __section("foo")")
> Reported-by: Geert Uytterhoeven <geert at linux-m68k.org>
> Cause-identified-by: Christopher Obbard <chris.obbard at collabora.com>
> Signed-off-by: Johannes Berg <johannes.berg at intel.com>
Tested-by: Christopher Obbard <chris.obbard at collabora.com>