[lasem] svg_view: fix auto angle of start markers.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 1e52bc6e3fb41815b4e9bfcb50986d2e603fbc3e
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Wed Oct 10 17:18:21 2012 +0200

    svg_view: fix auto angle of start markers.

 src/lsmsvgview.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/lsmsvgview.c b/src/lsmsvgview.c
index a54889d..ad8f5d4 100644
--- a/src/lsmsvgview.c
+++ b/src/lsmsvgview.c
@@ -977,8 +977,8 @@ paint_markers (LsmSvgView *view)
 			} else if (data->header.type == CAIRO_PATH_MOVE_TO) {
 				marker = marker_start;
 				if (next_type == CAIRO_PATH_CURVE_TO)
-					angle = atan2 (data[1].point.y - y,
-						       data[1].point.x - x);
+					angle = atan2 (next_data[1].point.y - y,
+						       next_data[1].point.x - x);
 				else
 					angle = atan2 (next_y - y, next_x - x);
 			} else {