[dia] svg: matherr avoidance was a bit too cautious

[Hans Breuer <hans src gnome org>]

commit bf9e638b74af0df0267e960351a8a75b9ffd8932
Author: Hans Breuer <hans breuer org>
Date:   Sun Jul 21 13:20:38 2013 +0200

    svg: matherr avoidance was a bit too cautious
    
    Visible with render-test.svg loosing it's two half arcs.

 lib/dia_svg.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/lib/dia_svg.c b/lib/dia_svg.c
index 9a70d0e..7c15d61 100644
--- a/lib/dia_svg.c
+++ b/lib/dia_svg.c
@@ -1079,7 +1079,7 @@ dia_svg_parse_path(GArray *points, const gchar *path_str, gchar **unparsed,
        /* avoid matherr with bogus values - just ignore them
         * does happen e.g. with 'Chem-Widgets - clamp-large' 
         */
-       if (last_point.x != dest.x && last_point.y != dest.y)
+       if (last_point.x != dest.x || last_point.y != dest.y)
          _path_arc (points, last_point.x, last_point.y,
                     rx, ry, xrot, largearc, sweep, dest.x, dest.y,
                     &dest_c);