[lasem] svg_view: prevent a crash in case of NULL points string.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 7832d00387fa18f7d42231e6cbe06ff91a160ef9
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Tue Aug 17 13:54:11 2010 +0200

    svg_view: prevent a crash in case of NULL points string.

 src/lsmsvgview.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/lsmsvgview.c b/src/lsmsvgview.c
index b197997..6371dce 100644
--- a/src/lsmsvgview.c
+++ b/src/lsmsvgview.c
@@ -1289,6 +1289,9 @@ _show_points (LsmSvgView *view, const char *points, gboolean close_path)
 	char *str;
 	double values[2];
 
+	if (points == NULL)
+		return;
+
 	g_return_if_fail (LSM_IS_SVG_VIEW (view));
 
 	str = (char *) points;