The missing header makes it hard for programs like elfutils to open
these files.

Fixes: 2d86612a ("perf symbol: Correct address for bss symbols")
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Lieven Hey <lieven.hey@kdab.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220915092910.711036-1-lieven.hey@kdab.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>