- Fix a build failure from a missing header declaration;

[lsystem3d.git] / src / ruleset.cpp

diff --git a/src/ruleset.cpp b/src/ruleset.cpp
index 024f77e1975e52cfef5c9ab90add0a610d093ff8..3dda547c1352c104fce05050b9d72fb906d1e76e 100644 (file)
--- a/src/ruleset.cpp
+++ b/src/ruleset.cpp
@@ -18,7 +18,7 @@
 
 
 
-
+#include <cstdlib>
 #include <cmath>
 #include <ctime>