[goffice] Fixed typo (GOG_IS_PLOT_CONTOUR instead of GOG_IS_CONTOUR_PLOT).

[Jean Bréfort <jbrefort src gnome org>]

commit 25caff6c745d6813505bc0720f3c6013554b0843
Author: Jean Brefort <jean brefort normalesup org>
Date:   Fri Sep 24 14:23:12 2010 +0200

    Fixed typo (GOG_IS_PLOT_CONTOUR instead of GOG_IS_CONTOUR_PLOT).

 ChangeLog                         |    4 ++++
 plugins/plot_surface/xl-surface.c |    2 +-
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index ff4fd32..83c6fe0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-09-24  Jean Brefort  <jean brefort normalesup org>
+
+	* plugins/plot_surface/xl-surface.c (get_y_vector): fixed typo.
+
 2010-09-23  Morten Welinder  <terra gnome org>
 
 	* goffice/gtk/go-charmap-sel.c (charset_trans_array): Use charset
diff --git a/plugins/plot_surface/xl-surface.c b/plugins/plot_surface/xl-surface.c
index 9bcb8a9..a52f47a 100644
--- a/plugins/plot_surface/xl-surface.c
+++ b/plugins/plot_surface/xl-surface.c
@@ -146,7 +146,7 @@ get_y_vector (GogPlot *plot)
 {
 	GSList *ptr;
 	int i;
-	char const ***y_labels = (GOG_IS_PLOT_CONTOUR (plot))?
+	char const ***y_labels = (GOG_IS_CONTOUR_PLOT (plot))?
 				&(XL_CONTOUR_PLOT (plot)->y_labels):
 				&(XL_SURFACE_PLOT (plot)->y_labels);