[goffice] Make update-po work again and document gog_axis_get_color_scale().

[Jean Bréfort <jbrefort src gnome org>]

commit d7d32891bf1a41f8a3c897efa013e1e87e481103
Author: Jean Brefort <jean brefort normalesup org>
Date:   Sun Jun 9 16:26:02 2013 +0200

    Make update-po work again and document gog_axis_get_color_scale().

 docs/reference/goffice-0.10-sections.txt |    1 +
 goffice/graph/gog-axis.c                 |    9 +++++++++
 po/POTFILES.in                           |    1 +
 3 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/goffice-0.10-sections.txt b/docs/reference/goffice-0.10-sections.txt
index 1bbbcb5..d799f7a 100644
--- a/docs/reference/goffice-0.10-sections.txt
+++ b/docs/reference/goffice-0.10-sections.txt
@@ -2696,6 +2696,7 @@ gog_axis_get_atype
 gog_axis_get_bounds
 gog_axis_get_circular_rotation
 gog_axis_get_color_map
+gog_axis_get_color_scale
 gog_axis_get_date_conv
 gog_axis_get_effective_format
 gog_axis_get_effective_span
diff --git a/goffice/graph/gog-axis.c b/goffice/graph/gog-axis.c
index 7331a30..218e114 100644
--- a/goffice/graph/gog-axis.c
+++ b/goffice/graph/gog-axis.c
@@ -3555,6 +3555,15 @@ gog_axis_get_color_map (GogAxis *axis)
        return axis->color_map;
 }
 
+
+/**
+ * gog_axis_get_color_scale:
+ * @axis: a #GogAxis
+ *
+ * Retrieves the #GogColorScale associated to the axis or %NULL.
+ * Returns: (transfer none): the color scale used to display the axis colors
+ * dor color and pseudo-3d axes.
+ **/
 GogColorScale *
 gog_axis_get_color_scale (GogAxis *axis)
 {
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 6aedff1..2bd588c 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -168,6 +168,7 @@ plugins/plot_radar/gog-radar.c
 plugins/plot_radar/plot-types.xml.in
 plugins/plot_radar/plugin.xml.in
 plugins/plot_surface/gog-contour.c
+plugins/plot_surface/gog-matrix.c
 plugins/plot_surface/gog-surface.c
 plugins/plot_surface/gog-xyz.c
 plugins/plot_surface/gog-xyz-prefs.c