[gtk: 13/31] gtk_css_style_snapshot_icon_paintable: Fix uninitialized memory access

[Alexander Larsson <alexl src gnome org>]

commit fcc3c1291970f115315e24a9281ad3ac94388a12
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Feb 6 16:23:11 2020 +0100

    gtk_css_style_snapshot_icon_paintable: Fix uninitialized memory access
    
    We were reading the foreground color alpha even when we didn't read it.

 gtk/gtkrendericon.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkrendericon.c b/gtk/gtkrendericon.c
index ddb889642c..a434c73010 100644
--- a/gtk/gtkrendericon.c
+++ b/gtk/gtkrendericon.c
@@ -114,10 +114,12 @@ gtk_css_style_snapshot_icon_paintable (GtkCssStyle  *style,
 
   is_icon_paintable = GTK_IS_ICON_PAINTABLE (paintable);
   if (is_icon_paintable)
-    gtk_icon_theme_lookup_symbolic_colors (style, &fg, &sc, &wc, &ec);
+    {
+      gtk_icon_theme_lookup_symbolic_colors (style, &fg, &sc, &wc, &ec);
 
-  if (fg.alpha == 0.0f)
-    goto transparent;
+      if (fg.alpha == 0.0f)
+        goto transparent;
+    }
 
   if (transform == NULL)
     {