[libgxps] gxps-archive: Handle errors returned by archive_read_data

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 133fe2a96e020d4ca65c6f64fb28a404050ebbfd
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Sat May 5 12:02:36 2018 +0200

    gxps-archive: Handle errors returned by archive_read_data

 libgxps/gxps-archive.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/libgxps/gxps-archive.c b/libgxps/gxps-archive.c
index 346ba73..1bae729 100644
--- a/libgxps/gxps-archive.c
+++ b/libgxps/gxps-archive.c
@@ -520,6 +520,13 @@ gxps_archive_input_stream_read (GInputStream  *stream,
                return -1;
 
         bytes_read = archive_read_data (istream->zip->archive, buffer, count);
+        if (bytes_read < 0) {
+                g_set_error_literal (error,
+                                     G_IO_ERROR,
+                                     g_io_error_from_errno (archive_errno (istream->zip->archive)),
+                                     archive_error_string (istream->zip->archive));
+                return -1;
+        }
         if (bytes_read == 0 && istream->is_interleaved && !gxps_archive_input_stream_is_last_piece 
(istream)) {
                 /* Read next piece */
                 gxps_archive_input_stream_next_piece (istream);