[librsvg] Support "shape-rendering" property.

[Hiroyuki Ikezoe <hiikezoe src gnome org>]

commit 91c66dc2541012f2264f8a09cc92e4b7496091cb
Author: Hiroyuki Ikezoe <poincare ikezoe net>
Date:   Wed Apr 7 19:48:20 2010 +0900

    Support "shape-rendering" property.
    
    Fix for 598151.

 rsvg-styles.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/rsvg-styles.c b/rsvg-styles.c
index 0e6095c..d455c30 100644
--- a/rsvg-styles.c
+++ b/rsvg-styles.c
@@ -791,6 +791,7 @@ rsvg_parse_style_pairs (RsvgHandle * ctx, RsvgState * state, RsvgPropertyBag * a
     rsvg_lookup_parse_style_pair (ctx, state, "marker-start", atts);
     rsvg_lookup_parse_style_pair (ctx, state, "opacity", atts);
     rsvg_lookup_parse_style_pair (ctx, state, "overflow", atts);
+    rsvg_lookup_parse_style_pair (ctx, state, "shape-rendering", atts);
     rsvg_lookup_parse_style_pair (ctx, state, "stop-color", atts);
     rsvg_lookup_parse_style_pair (ctx, state, "stop-opacity", atts);
     rsvg_lookup_parse_style_pair (ctx, state, "stroke", atts);