logging: Include sys/util.h in log_backend.h

The UTIL_CAT macro which is used in log_backend.h is implemented in
sys/util.h.

Fixes #21045.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
This commit is contained in:
Carles Cufi 2019-12-03 19:12:18 +01:00 committed by Carles Cufí
commit 2dca6b355c

View file

@ -9,6 +9,7 @@
#include <logging/log_msg.h>
#include <stdarg.h>
#include <sys/__assert.h>
#include <sys/util.h>
#ifdef __cplusplus
extern "C" {