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diff --git a/pack.h b/pack.h
index a883334b269c76d8de1395adf2b8f3d0d7e8564f..b759a23d4d022c4acef893ec35a5dd4e2324715c 100644 (file)
--- a/pack.h
+++ b/pack.h
@@ -55,7 +55,7 @@ struct pack_idx_entry {
        off_t offset;
 };
 
-extern char *write_idx_file(char *index_name, struct pack_idx_entry **objects, int nr_objects, unsigned char *sha1);
+extern const char *write_idx_file(const char *index_name, struct pack_idx_entry **objects, int nr_objects, unsigned char *sha1);
 extern int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, off_t offset, off_t len, unsigned int nr);
 extern int verify_pack(struct packed_git *);
 extern void fixup_pack_header_footer(int, unsigned char *, const char *, uint32_t, unsigned char *, off_t);