viohs: extern on function definition

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/sparc64/kernel/viohs.c b/arch/sparc64/kernel/viohs.c
index 09126fc..708fa17 100644
--- a/arch/sparc64/kernel/viohs.c
+++ b/arch/sparc64/kernel/viohs.c
@@ -702,7 +702,7 @@
 }
 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)
 {