git-compat-util.h: use apparently more common __sgi macro to detect SGI IRIX

[git.git] / cache.h

diff --git a/cache.h b/cache.h
index 6dcb100a6cfc1b1d311602507bc3dcb483c1558d..5eb0573bcc81050cc06a304f346fe5f41ebe242e 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -701,7 +701,7 @@ static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *
        return read_sha1_file_repl(sha1, type, size, NULL);
 }
 extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
-extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
+extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
 extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
 extern int force_object_loose(const unsigned char *sha1, time_t mtime);