Fix include.

Change-Id: I5e984e7ffdbd4b62a58b597446289797bf15a1c3
diff --git a/npc/zwerg3.c b/npc/zwerg3.c
index 53d3ea1..f4a14cb 100644
--- a/npc/zwerg3.c
+++ b/npc/zwerg3.c
@@ -1,6 +1,6 @@
 inherit "/std/npc";
 
-#include <combat.h>
+#include <new_skills.h>
 #include __PATH__(1)"defs.h"