Fix missing include.

diff --git a/include/unit.h b/include/unit.h
index 162cfa9032ac7fe1d7d7826a4d4e9b31747e7199..8cb556de042689c0c41c8baa0159ad8a598cb972 100644 (file)
--- a/include/unit.h
+++ b/include/unit.h
@@ -32,6 +32,8 @@
  *     Markus Armbruster, 2006
  */
  
+#include "empobj.h"
+
 struct ulist {
     struct emp_qelem queue;    /* list of units */
     double mobil;              /* how much mobility the unit has left */