[gnumeric] Really assign the buffer before using it.

[Jean Bréfort <jbrefort src gnome org>]

commit 8d85cedf6222173a658c788f9ed124afc95438e8
Author: Jean Brefort <jean brefort normalesup org>
Date:   Sun Oct 3 21:43:05 2010 +0200

    Really assign the buffer before using it.

 plugins/excel/ChangeLog    |    5 +++++
 plugins/excel/xlsx-write.c |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/plugins/excel/ChangeLog b/plugins/excel/ChangeLog
index 0d12de3..66b67a9 100644
--- a/plugins/excel/ChangeLog
+++ b/plugins/excel/ChangeLog
@@ -1,3 +1,8 @@
+2010-10-03  Jean Brefort  <jean brefort normalesup org>
+
+	* xlsx-write.c (xlsx_write_rich_text): really assign the buffer before
+	using it.
+
 2010-10-01  Morten Welinder <terra gnome org>
 
 	* Release 1.10.11
diff --git a/plugins/excel/xlsx-write.c b/plugins/excel/xlsx-write.c
index 1b566dc..cb23e33 100644
--- a/plugins/excel/xlsx-write.c
+++ b/plugins/excel/xlsx-write.c
@@ -1275,7 +1275,7 @@ xlsx_write_rich_text (GsfXMLOut *xml, char const *text, PangoAttrList *attrs)
 		attr = pango_attr_iterator_get (iter, PANGO_ATTR_FOREGROUND);
 		if (attr) {
 			PangoColor *color = &((PangoAttrColor *) attr)->color;
-			g_strdup_printf("FF%2x%2x%2x", color->red >> 8, color->green >> 8, color->blue >> 8);
+			buf = g_strdup_printf("FF%2x%2x%2x", color->red >> 8, color->green >> 8, color->blue >> 8);
 			gsf_xml_out_add_cstr_unchecked (xml, "rgb", buf);
 			g_free (buf);
 		} else