[gnumeric] fix rounding of h_center transformation

[Andreas J. Guelzow <guelzow src gnome org>]

commit 7e9662d2a96140ae821ef46e6475458d76d4d24d
Author: Andreas J Guelzow <aguelzow pyrshep ca>
Date:   Thu Oct 20 23:09:46 2011 -0600

    fix rounding of h_center transformation
    
    2011-10-20 Andreas J. Guelzow <aguelzow pyrshep ca>
    
    	* src/cell-draw.c (cell_draw): fix rounding of h_center
    	transformation

 ChangeLog       |    5 +++++
 src/cell-draw.c |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index e52932e..c42f9b6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2011-10-20 Andreas J. Guelzow <aguelzow pyrshep ca>
 
+	* src/cell-draw.c (cell_draw): fix rounding of h_center 
+	transformation
+
+2011-10-20 Andreas J. Guelzow <aguelzow pyrshep ca>
+
 	* src/cell-draw.c (cell_draw): also transform h_center if given
 
 2011-10-20 Andreas J. Guelzow <aguelzow pyrshep ca>
diff --git a/src/cell-draw.c b/src/cell-draw.c
index 4dae240..3de5e57 100644
--- a/src/cell-draw.c
+++ b/src/cell-draw.c
@@ -316,7 +316,7 @@ cell_draw (GnmCell const *cell, cairo_t *cr,
 	width  -= GNM_COL_MARGIN + GNM_COL_MARGIN + 1;
 
 	if (h_center > GNM_COL_MARGIN)
-		h_center -= (GNM_COL_MARGIN + 1);
+		h_center = h_center - GNM_COL_MARGIN - 1 + (h_center % 2);
 
 	rv = gnm_cell_fetch_rendered_value (cell, TRUE);