[PATCH] md: convert recently exported symbol to GPL

...because that seems to be the preferred practice these days.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 8c378b6..a6a066f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -478,7 +478,7 @@
 	bio_put(bio);
 	return ret;
 }
-EXPORT_SYMBOL(sync_page_io);
+EXPORT_SYMBOL_GPL(sync_page_io);
 
 static int read_disk_sb(mdk_rdev_t * rdev, int size)
 {