Index: hping2.h
--- hping2.h.orig
+++ hping2.h
@@ -357,7 +357,7 @@ struct delaytable_element {
 	int status;
 };
 
-volatile struct delaytable_element delaytable[TABLESIZE];
+extern volatile struct delaytable_element delaytable[TABLESIZE];
 
 /* protos */
 void	nop(void);				/* nop */