linux-user: Include trace-root.h in syscall-trace.h

Code movement in an upcoming patch will show that this file
was implicitly depending on trace-root.h being included beforehand.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
1 file changed