[JFFS2] Invert last argument of jffs2_gc_fetch_inode(), make it boolean.

We don't actually care about nlink; we only care whether the inode in
question is unlinked or not.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 1b10d25..2cc866c 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -187,7 +187,7 @@
 void jffs2_gc_release_inode(struct jffs2_sb_info *c,
 			    struct jffs2_inode_info *f);
 struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c,
-					      int inum, int nlink);
+					      int inum, int unlinked);
 
 unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,
 				   struct jffs2_inode_info *f,