[IRDA] irlan: Fix compile warning when CONFIG_PROC_FS=n

include/net/irda/irlan_filter.h:31: warning: 'struct seq_file' declared inside parameter list
include/net/irda/irlan_filter.h:31: warning: its scope is only this definition or declaration, which is probably not what you want

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/irda/irlan_filter.h

@@ -28,6 +28,8 @@
 void irlan_check_command_param(struct irlan_cb *self, char *param, 
 			       char *value);
 void irlan_filter_request(struct irlan_cb *self, struct sk_buff *skb);
+#ifdef CONFIG_PROC_FS
 void irlan_print_filter(struct seq_file *seq, int filter_type);
+#endif
 
 #endif /* IRLAN_FILTER_H */