1 files changed, 2 insertions, 1 deletions
diff --git a/delta.h b/delta.h
index a15350dabc..00fef0b8d7 100644
--- a/delta.h
+++ b/delta.h
@@ -4,7 +4,8 @@
 /* handling of delta buffers */
 extern void *diff_delta(void *from_buf, unsigned long from_size,
 			void *to_buf, unsigned long to_size,
-		        unsigned long *delta_size, unsigned long max_size);
+		        unsigned long *delta_size, unsigned long max_size,
+			void **from_index);
 extern void *patch_delta(void *src_buf, unsigned long src_size,
 			 void *delta_buf, unsigned long delta_size,
 			 unsigned long *dst_size);