[goffice] xml: avoid a double unref on exit.

[Morten Welinder <mortenw src gnome org>]

commit d200a796872bc73eb3ce162a2b610e3662731875
Author: Morten Welinder <terra gnome org>
Date:   Sat May 16 10:26:10 2015 -0400

    xml: avoid a double unref on exit.

 ChangeLog                 |    5 +++++
 goffice/graph/gog-theme.c |    8 ++------
 2 files changed, 7 insertions(+), 6 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 38fa1da..a04c67f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-05-16  Morten Welinder  <terra gnome org>
+
+       * goffice/graph/gog-theme.c (theme_load_from_uri): Avoid double
+       unref on exit.
+
 2015-05-14  Morten Welinder  <terra gnome org>
 
        * goffice/utils/go-pixbuf.c (go_pixbuf_finalize): Plug leak.
diff --git a/goffice/graph/gog-theme.c b/goffice/graph/gog-theme.c
index d9d7d4d..27ef10e 100644
--- a/goffice/graph/gog-theme.c
+++ b/goffice/graph/gog-theme.c
@@ -803,10 +803,8 @@ gog_theme_prep_sax (GOPersist *gp, GsfXMLIn *xin, xmlChar const **attrs)
        state->name_lang_score = G_MAXINT;
        state->desc_lang_score = G_MAXINT;
        state->garbage = NULL;
-       if (!xml) {
+       if (!xml)
                xml = gsf_xml_in_doc_new (theme_dtd, NULL);
-               go_xml_in_doc_dispose_on_exit (&xml);
-       }
        gsf_xml_in_push_state (xin, xml, state, (GsfXMLInExtDtor) parse_done_cb, attrs);
 }
 
@@ -1597,10 +1595,8 @@ theme_load_from_uri (char const *uri)
        state.desc = state.lang = state.name = NULL;
        state.langs = g_get_language_names ();
        state.name_lang_score = state.desc_lang_score = G_MAXINT;
-       if (!xml) {
+       if (!xml)
                xml = gsf_xml_in_doc_new (theme_dtd, NULL);
-               go_xml_in_doc_dispose_on_exit (&xml);
-       }
        if (!gsf_xml_in_doc_parse (xml, input, &state))
                g_warning ("[GogTheme]: Could not parse %s", uri);
        if (state.theme != NULL) {