removed old boost version made boost required

Gabriele Contini

2019-09-01 296baa1f2f26aa5fe711d154d557ca2a7d6f9b5d

 src/library/base/logger.h

@@ -1,7 +1,7 @@
#ifndef logger_INCLUDED
#define logger_INCLUDED

#ifndef LOG_ENABLED
#ifndef LOG_DISABLED
#include <errno.h>
#ifdef __cplusplus
extern "C" {