get_local_alt_contents_index: hide nonuseful output from return

bin/epm-sh-altlinux

@@ -107,7 +107,7 @@ get_local_alt_contents_index()
 
     epm_repolist | grep -E "rpm.*(ftp://|http://|https://|file:/)" | sed -e "s@^rpm.*\(ftp://\|http://\|https://\|file:\)@\1@g" | while read URL ARCH other ; do
         LOCALPATH=$(get_local_alt_mirror_path "$URL/$ARCH")
-        download_alt_contents_index $URL/$ARCH/base/contents_index $LOCALPATH || continue
+        download_alt_contents_index $URL/$ARCH/base/contents_index $LOCALPATH >&2 || continue
         echo "$LOCALPATH/contents_index*"
     done