[libgxps] archive: interleaved paths must be always using / separators

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 4a960bc1e66557b5583a8183dd68a603b6e4502d
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Fri Jan 27 09:36:02 2017 +0100

    archive: interleaved paths must be always using / separators
    
    We must ensure the paths are separated using / otherwise in
    platforms like Windows we would endup with \ separators which clearly
    do not point to any file.

 libgxps/gxps-archive.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgxps/gxps-archive.c b/libgxps/gxps-archive.c
index c142b1b..2b28cc5 100644
--- a/libgxps/gxps-archive.c
+++ b/libgxps/gxps-archive.c
@@ -363,7 +363,7 @@ gxps_archive_open (GXPSArchive *archive,
                path++;
 
        if (!g_hash_table_contains (archive->entries, path)) {
-                first_piece_path = g_build_filename (path, "[0].piece", NULL);
+                first_piece_path = g_build_path ("/", path, "[0].piece", NULL);
                 if (!g_hash_table_contains (archive->entries, first_piece_path)) {
                         g_free (first_piece_path);