[libgxps] archive: do not leak the stream

[Paolo Borelli <pborelli src gnome org>]

commit fe2425e38cbb01f01dcbf2095a3e582947d37003
Author: Paolo Borelli <pborelli gnome org>
Date:   Tue Jan 17 09:42:57 2017 +0100

    archive: do not leak the stream

 libgxps/gxps-archive.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libgxps/gxps-archive.c b/libgxps/gxps-archive.c
index 6073659..c142b1b 100644
--- a/libgxps/gxps-archive.c
+++ b/libgxps/gxps-archive.c
@@ -431,10 +431,11 @@ gxps_archive_read_entry (GXPSArchive *archive,
                        *bytes_read += bytes;
                } while (bytes > 0);
 
+               g_object_unref (stream);
+
                if (*bytes_read == 0) {
                        /* TODO: Error */
                        g_free (*buffer);
-                       g_object_unref (stream);
                        return FALSE;
                }