Missing include.

[simgrid.git] / include / xbt / log.h

diff --git a/include/xbt/log.h b/include/xbt/log.h
index aafce1c..65a2f5d 100644 (file)
--- a/include/xbt/log.h
+++ b/include/xbt/log.h
@@ -35,6 +35,7 @@
 
 #include "xbt/misc.h"
 #include <stdarg.h>
+#include <stddef.h>             /* NULL */
 SG_BEGIN_DECL()
 /**\brief Log priorities
  * \ingroup XBT_log