[gnumeric] xlsx: radar style export improvement.

[Morten Welinder <mortenw src gnome org>]

commit 230c26c984e5723097b3cbf156b578d25a448799
Author: Morten Welinder <terra gnome org>
Date:   Mon Apr 20 13:34:44 2015 -0400

    xlsx: radar style export improvement.

 plugins/excel/xlsx-write-drawing.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/plugins/excel/xlsx-write-drawing.c b/plugins/excel/xlsx-write-drawing.c
index 8c94476..dba243a 100644
--- a/plugins/excel/xlsx-write-drawing.c
+++ b/plugins/excel/xlsx-write-drawing.c
@@ -912,6 +912,8 @@ xlsx_write_one_plot (XLSXWriteState *state, GsfXMLOut *xml,
        case XLSX_PT_GOGRADARAREAPLOT:
                gsf_xml_out_start_element (xml, "c:radarChart");
                xlsx_write_chart_cstr_unchecked (xml, "c:radarStyle", "standard");
+               xlsx_write_chart_bool (xml, "c:varyColors", vary_by_element);
+               has_lines = TRUE;
                axis_type[0] = GOG_AXIS_CIRCULAR;
                axis_type[1] = GOG_AXIS_RADIAL;
                break;