[gnumeric] xlsx: export style of trend line.

[Morten Welinder <mortenw src gnome org>]

commit b5fff623c20ccf8e9620703684ee323c0e0fcd85
Author: Morten Welinder <terra gnome org>
Date:   Wed Jan 21 11:44:22 2015 -0500

    xlsx: export style of trend line.

 plugins/excel/xlsx-write-drawing.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/excel/xlsx-write-drawing.c b/plugins/excel/xlsx-write-drawing.c
index 8a96997..83071a1 100644
--- a/plugins/excel/xlsx-write-drawing.c
+++ b/plugins/excel/xlsx-write-drawing.c
@@ -564,6 +564,7 @@ xlsx_write_one_plot (XLSXWriteState *state, GsfXMLOut *xml, GogObject const *cha
 
 
                        gsf_xml_out_start_element (xml, "c:trendline");
+                       xlsx_write_go_style (xml, go_styled_object_get_style (GO_STYLED_OBJECT (trend)));
                        xlsx_write_chart_cstr_unchecked (xml, "c:trendlineType", trend_type);
                        gsf_xml_out_end_element (xml); /* </c:trendline> */