[gnumeric] xlsx: don't say we drop sheet filter combos.

[Morten Welinder <mortenw src gnome org>]

commit 5808b09d77e7b8344055b3c2066c912af8aafb6a
Author: Morten Welinder <terra gnome org>
Date:   Tue Feb 3 16:01:00 2015 -0500

    xlsx: don't say we drop sheet filter combos.
    
    We save the filters.  The sheet objects are a Gnumeric implementation
    detail.

 plugins/excel/ChangeLog    |    3 +++
 plugins/excel/xlsx-write.c |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/plugins/excel/ChangeLog b/plugins/excel/ChangeLog
index 8e0ebec..dd64840 100644
--- a/plugins/excel/ChangeLog
+++ b/plugins/excel/ChangeLog
@@ -1,5 +1,8 @@
 2015-02-03  Morten Welinder  <terra gnome org>
 
+       * xlsx-write.c (xlsx_write_sheet): Don't complain over sheet
+       filter combos.
+
        * xlsx-write-drawing.c (xlsx_write_go_style_full): Write font
        information.
 
diff --git a/plugins/excel/xlsx-write.c b/plugins/excel/xlsx-write.c
index c15a773..be56468 100644
--- a/plugins/excel/xlsx-write.c
+++ b/plugins/excel/xlsx-write.c
@@ -36,6 +36,7 @@
 #include "sheet-style.h"
 #include "sheet-view.h"
 #include "sheet-filter.h"
+#include "sheet-filter-combo.h"
 #include "ranges.h"
 #include "value.h"
 #include "cell.h"
@@ -2702,6 +2703,8 @@ xlsx_write_sheet (XLSXWriteState *state, GsfOutfile *dir, GsfOutfile *wb_part, u
                        comments = g_slist_prepend (comments, so);
                else if (IS_SHEET_OBJECT_GRAPH (so))
                        charts = g_slist_prepend (charts, so);
+               else if (IS_GNM_FILTER_COMBO (so))
+                       ; /* Nothing here */
                else
                        others = g_slist_prepend (others, so);
        }