[goffice] Initialize variables in goc-text.c

[Jean BrÃfort <jbrefort src gnome org>]

commit f11622468ab9f7f6b7f6fe27eec5c92e92bb57c4
Author: Jean Brefort <jean brefort normalesup org>
Date:   Thu Sep 1 17:01:00 2011 +0200

    Initialize variables in goc-text.c

 ChangeLog                 |    5 +++++
 goffice/canvas/goc-text.c |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 052c0a4..3788519 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2011-09-01  Jean Brefort  <jean brefort normalesup org>
 
+	* goffice/canvas/goc-text.c (goc_text_prepare_draw): always initialize
+	dx and dy variables.
+
+2011-09-01  Jean Brefort  <jean brefort normalesup org>
+
 	* goffice/graph/gog-series-impl.h: add support for values as percent in
 	data labels.
 	* goffice/graph/gog-series-labels.c: ditto.
diff --git a/goffice/canvas/goc-text.c b/goffice/canvas/goc-text.c
index 7dc59c4..18e8808 100644
--- a/goffice/canvas/goc-text.c
+++ b/goffice/canvas/goc-text.c
@@ -263,6 +263,7 @@ goc_text_prepare_draw (GocItem *item, cairo_t *cr)
 	text->h = (double) rect.height / PANGO_SCALE;
 	item->x0 = (goc_canvas_get_direction (item->canvas) == GOC_DIRECTION_RTL)? text->x + text->w: text->x;
 	item->y0 = text->y;
+	dx = dy = 0;
 	/* adjust horizontally */
 	switch (text->anchor) {
 	case GO_ANCHOR_CENTER: