small cosmetics to kill time

[simgrid.git] / src / surf / maxmin.cpp

diff --git a/src/surf/maxmin.cpp b/src/surf/maxmin.cpp
index 610e64a..81a1bdc 100644 (file)
--- a/src/surf/maxmin.cpp
+++ b/src/surf/maxmin.cpp
@@ -111,7 +111,7 @@ void lmm_system_free(lmm_system_t sys)
   lmm_variable_t var = nullptr;
   lmm_constraint_t cnst = nullptr;
 
-  if (not sys)
+  if (sys == nullptr)
     return;
 
   while ((var = (lmm_variable_t) extract_variable(sys))) {