peel_ref: do not return a null sha1

diff --git a/builtin.h b/builtin.h
index ba6626b03505dd0622faea4e2bea51ed4b6720f5..8e377522fee4be94f9cdca40d44ecdcc18b42d8b 100644 (file)
--- a/builtin.h
+++ b/builtin.h
@@ -43,7 +43,7 @@ extern int check_pager_config(const char *cmd);
 struct diff_options;
 extern void setup_diff_pager(struct diff_options *);
 
-extern int textconv_object(const char *path, unsigned mode, const unsigned char *sha1, char **buf, unsigned long *buf_size);
+extern int textconv_object(const char *path, unsigned mode, const unsigned char *sha1, int sha1_valid, char **buf, unsigned long *buf_size);
 
 extern int cmd_add(int argc, const char **argv, const char *prefix);
 extern int cmd_annotate(int argc, const char **argv, const char *prefix);