--- ppp-2.4.5.orig/pppd/eui64.h	2009-11-16 23:26:07.000000000 +0100
+++ ppp-2.4.5/pppd/eui64.h	2014-03-17 16:13:14.000000000 +0100
@@ -108,7 +108,7 @@ typedef union
 				} while (0)
 #define eui64_setlo32(e, l)	eui64_set32(e, l)
 
-char *eui64_ntoa __P((eui64_t));	/* Returns ascii representation of id */
+char *eui64_ntoa (eui64_t);	/* Returns ascii representation of id */
 
 #endif /* __EUI64_H__ */