trgen: Fixed compilation error

diff --git a/src/motion/trgen.cc b/src/motion/trgen.cc
index 217eec15ecf1caf9d5aedf0e7ea3790a82ca1ce4..405f15bacef34d198c477d8a7a7ec1c2098adf48 100644 (file)
--- a/src/motion/trgen.cc
+++ b/src/motion/trgen.cc
@@ -12,6 +12,8 @@
 #include <typeinfo>
 #include <iterator>
 #include "trgen.h"
+#include <stdlib.h>
+
 
 // #define DEBUG