write_reused_pack_verbatim(): convert to new revindex API

Replace a direct access to the revindex array with
'pack_pos_to_offset()'.

Signed-off-by: Taylor Blau <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: ttaylorr

builtin/pack-objects.c

@@ -952,7 +952,7 @@ static size_t write_reused_pack_verbatim(struct hashfile *out,
 		off_t to_write;
 
 		written = (pos * BITS_IN_EWORD);
-		to_write = reuse_packfile->revindex[written].offset
+		to_write = pack_pos_to_offset(reuse_packfile, written)
 			- sizeof(struct pack_header);
 
 		/* We're recording one chunk, not one object. */