[librsvg/rustification] rsvg-cairo-draw: Normalize stroke-width specified as percentage with respect to the viewport

[Federico Mena Quintero <federico src gnome org>]

commit aa54f11fa7a3a9556822c201f44b53883ddc26c3
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Nov 8 18:22:32 2016 -0600

    rsvg-cairo-draw: Normalize stroke-width specified as percentage with respect to the viewport
    
    It was being normalized as LENGTH_DIR_HORIZONTAL here; per the spec it
    needs to be LENGTH_DIR_BOTH.

 rsvg-cairo-draw.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/rsvg-cairo-draw.c b/rsvg-cairo-draw.c
index 889502f..0515021 100644
--- a/rsvg-cairo-draw.c
+++ b/rsvg-cairo-draw.c
@@ -470,7 +470,7 @@ rsvg_cairo_render_path_builder (RsvgDrawingCtx * ctx, RsvgPathBuilder *builder)
 
     _set_rsvg_affine (render, &state->affine);
 
-    cairo_set_line_width (cr, _rsvg_css_normalize_length (&state->stroke_width, ctx, LENGTH_DIR_HORIZONTAL));
+    cairo_set_line_width (cr, _rsvg_css_normalize_length (&state->stroke_width, ctx, LENGTH_DIR_BOTH));
     cairo_set_miter_limit (cr, state->miter_limit);
     cairo_set_line_cap (cr, (cairo_line_cap_t) state->cap);
     cairo_set_line_join (cr, (cairo_line_join_t) state->join);