[src/trunk]: src/external/bsd/bzip2/dist fix unused variable warnings

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8e92dab674c5
branches:  trunk
changeset: 790751:8e92dab674c5
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Oct 20 03:14:21 2013 +0000

description:
fix unused variable warnings

diffstat:

 external/bsd/bzip2/dist/bzip2.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 5d7a2b3b8a0c -r 8e92dab674c5 external/bsd/bzip2/dist/bzip2.c
--- a/external/bsd/bzip2/dist/bzip2.c   Sun Oct 20 03:10:45 2013 +0000
+++ b/external/bsd/bzip2/dist/bzip2.c   Sun Oct 20 03:14:21 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bzip2.c,v 1.3 2012/05/07 00:45:47 wiz Exp $    */
+/*     $NetBSD: bzip2.c,v 1.4 2013/10/20 03:14:21 christos Exp $       */
 
 
 /*-----------------------------------------------------------*/
@@ -557,7 +557,7 @@
 Bool testStream ( FILE *zStream )
 {
    BZFILE* bzf = NULL;
-   Int32   bzerr, bzerr_dummy, ret, nread, streamNo, i;
+   Int32   bzerr, bzerr_dummy, ret, streamNo, i;
    UChar   obuf[5000];
    UChar   unused[BZ_MAX_UNUSED];
    Int32   nUnused;
@@ -580,7 +580,7 @@
       streamNo++;
 
       while (bzerr == BZ_OK) {
-         nread = BZ2_bzRead ( &bzerr, bzf, obuf, 5000 );
+         (void)BZ2_bzRead ( &bzerr, bzf, obuf, 5000 );
          if (bzerr == BZ_DATA_ERROR_MAGIC) goto errhandler;
       }
       if (bzerr != BZ_STREAM_END) goto errhandler;