fix compiler warnings in hurd/isofs

* isofs/rr.c (rrip_work): Use unsigned char.
* isofs/rr.h: Use unsigned char instead of char.

1 files changed, 1 insertions, 1 deletions

diff --git a/isofs/rr.c b/isofs/rr.c
index adc95c37..59205da1 100644
--- a/isofs/rr.c
+++ b/isofs/rr.c
@@ -84,7 +84,7 @@ rrip_work (struct dirrect *dr, struct rrip_lookup *rr,
     {
       struct dirrect *p;
       off_t filestart;
-      char *c;
+      unsigned char *c;
       error_t err;
 
       /* Look at the first directory entry in root. */