model: fixup style
[model-checker.git] / nodestack.cc
index 715dbb23d051badd48b84b31218c95c97a213425..86d7f6bbc61a5f88caeb56ff54810e255514a0fd 100644 (file)
@@ -1,3 +1,5 @@
+#include <string.h>
+
 #include "nodestack.h"
 #include "action.h"
 #include "common.h"