viohs: extern on function definition

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/sparc64/kernel/viohs.c

@@ -702,7 +702,7 @@ u32 vio_send_sid(struct vio_driver_state *vio)
 }
 EXPORT_SYMBOL(vio_send_sid);
 
-extern int vio_ldc_alloc(struct vio_driver_state *vio,
+int vio_ldc_alloc(struct vio_driver_state *vio,
 			 struct ldc_channel_config *base_cfg,
 			 void *event_arg)
 {