[goffice] Fixed memory leaks found by cppcheck analysis.

[Jean Bréfort <jbrefort src gnome org>]

commit a2b13cedd098b260703a9627e85c8c95a9773aed
Author: Jean Brefort <jean brefort normalesup org>
Date:   Fri Dec 17 16:03:06 2010 +0100

    Fixed memory leaks found by cppcheck analysis.

 ChangeLog                          |    7 +++++++
 NEWS                               |    3 +++
 goffice/graph/gog-axis-line.c      |    1 +
 plugins/plot_surface/gog-contour.c |    1 +
 tests/go-demo.c                    |    5 ++++-
 tests/shapes-demo.c                |    1 +
 6 files changed, 17 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 81155ef..58315c1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-12-17  Jean Brefort  <jean brefort normalesup org>
+
+	* goffice/graph/gog-axis-line.c (xyz_process): fixed a memory leak.
+	* plugins/plot_surface/gog-contour.c (gog_contour_view_render): ditto.
+	* tests/go-demo.c (insert_histogram_data), (main): ditto.
+	* tests/shapes-demo.c (open_file): ditto.
+
 2010-11-30  Andreas J. Guelzow <aguelzow pyrshep ca>
 
 	* goffice/utils/go-format.c (go_format_output_text_to_odf): new
diff --git a/NEWS b/NEWS
index f3dff58..190ced0 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,9 @@ goffice 0.8.13:
 Andreas
 	* Write text formats to ODF. [#636158]
 
+Jean:
+	* Fixed memory leaks found by cppcheck analysis.
+
 --------------------------------------------------------------------------
 goffice 0.8.12:
 
diff --git a/goffice/graph/gog-axis-line.c b/goffice/graph/gog-axis-line.c
index 2e5800c..a6892fc 100644
--- a/goffice/graph/gog-axis-line.c
+++ b/goffice/graph/gog-axis-line.c
@@ -2078,6 +2078,7 @@ xyz_process (GogAxisBaseAction action, GogView *view, GogViewPadding *padding,
 			break;
 	}
 
+	g_free (ticks_pos);
 	gog_chart_map_3d_free (c_map);
 
 	return FALSE;
diff --git a/plugins/plot_surface/gog-contour.c b/plugins/plot_surface/gog-contour.c
index bec54df..1ccc824 100644
--- a/plugins/plot_surface/gog-contour.c
+++ b/plugins/plot_surface/gog-contour.c
@@ -1039,6 +1039,7 @@ gog_contour_view_render (GogView *view, GogViewAllocation const *bbox)
 	go_path_free (lines);
 	go_path_free (path);
 	g_object_unref (style);
+	g_free (color);
 	gog_axis_map_free (x_map);
 	gog_axis_map_free (y_map);
 }
diff --git a/tests/go-demo.c b/tests/go-demo.c
index 5da8b7b..c2fbe6f 100644
--- a/tests/go-demo.c
+++ b/tests/go-demo.c
@@ -222,7 +222,7 @@ insert_histogram_data (GogPlot *plot)
 
 	data = go_data_vector_val_new (indexs, 6, NULL);
 	gog_series_set_dim (series, 0, data, &error);
-	data = go_data_vector_val_new (values, 6, NULL);
+	data = go_data_vector_val_new (values, 5, NULL);
 	gog_series_set_dim (series, 1, data, &error);
 }
 
@@ -503,6 +503,9 @@ main (int argc, char *argv[])
 
 	gtk_main ();
 
+	g_object_unref (priv->xml);
+	g_free (priv);
+
 	/* Clean libgoffice stuff */
 	libgoffice_shutdown ();
 	return 0;
diff --git a/tests/shapes-demo.c b/tests/shapes-demo.c
index d4bc6fd..71d0241 100644
--- a/tests/shapes-demo.c
+++ b/tests/shapes-demo.c
@@ -43,6 +43,7 @@ open_file (GocCanvas* canvas, char* filename)
 	while (-1 != getline (&s, &n, fd)) {
 		parse_line (canvas, s);
 	}
+	free (s);
 }
 
 static void