nullptr one more time.

diff --git a/examples/s4u/trace-masterworkers/s4u-trace-masterworkers.cpp b/examples/s4u/trace-masterworkers/s4u-trace-masterworkers.cpp
index 3e189aa..d0013cd 100644 (file)
--- a/examples/s4u/trace-masterworkers/s4u-trace-masterworkers.cpp
+++ b/examples/s4u/trace-masterworkers/s4u-trace-masterworkers.cpp
@@ -99,7 +99,7 @@ int main(int argc, char* argv[])
   TRACE_category_with_color("finalize", "0 1 0"); // finalize is green
   // categories without user-defined colors receive random colors generated by the tracing system
   TRACE_category("request");
-  TRACE_category_with_color("report", NULL);
+  TRACE_category_with_color("report", nullptr);
 
   e.register_function("master", &master);
   e.register_function("worker", &worker);