[HAMRADIO]: Fix baycom_epp.c compile failure.

Fix foobar in 15b1c0e822f578306332d4f4c449250db5c5dceb and
e8cc49bb0fdb9e18a99e6780073d1400ba2b0d1f patch series.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ax25.h b/include/net/ax25.h
index e1d116f..14b72d8 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -285,6 +285,8 @@
 extern const ax25_address ax25_bcast;
 extern const ax25_address ax25_defaddr;
 extern const ax25_address null_ax25_address;
+extern char *ax2asc(char *buf, const ax25_address *);
+extern void asc2ax(ax25_address *addr, const char *callsign);
 extern int ax25cmp(const ax25_address *, const ax25_address *);
 extern int ax25digicmp(const ax25_digi *, const ax25_digi *);
 extern const unsigned char *ax25_addr_parse(const unsigned char *, int,