[pango/line-breaker] layout: Fix an oversight

[Matthias Clasen <matthiasc src gnome org>]

commit a9ed841a8b76a3701fa0f19878a593a18d96a979
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 24 00:30:40 2022 -0500

    layout: Fix an oversight
    
    We were failing to collect the attributes. Oops.

 pango/pango-layout.c | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)
---
diff --git a/pango/pango-layout.c b/pango/pango-layout.c
index 286c9aa3..d5b0a9fc 100644
--- a/pango/pango-layout.c
+++ b/pango/pango-layout.c
@@ -524,20 +524,32 @@ get_effective_attributes (PangoLayout *layout)
   PangoAttrList *attrs = NULL;
 
   if (layout->font_desc)
-    pango_attr_list_insert_before (ensure_attrs (layout, attrs),
-                                   pango_attr_font_desc_new (layout->font_desc));
+    {
+      attrs = ensure_attrs (layout, attrs);
+      pango_attr_list_insert_before (attrs,
+                                     pango_attr_font_desc_new (layout->font_desc));
+    }
 
   if (layout->line_height != 0.0)
-    pango_attr_list_insert_before (ensure_attrs (layout, attrs),
-                                   pango_attr_line_height_new (layout->line_height));
+    {
+      attrs = ensure_attrs (layout, attrs);
+      pango_attr_list_insert_before (attrs,
+                                     pango_attr_line_height_new (layout->line_height));
+    }
 
   if (layout->spacing != 0)
-    pango_attr_list_insert_before (ensure_attrs (layout, attrs),
-                                   pango_attr_line_spacing_new (layout->spacing));
+    {
+      attrs = ensure_attrs (layout, attrs);
+      pango_attr_list_insert_before (attrs,
+                                     pango_attr_line_spacing_new (layout->spacing));
+    }
 
   if (layout->single_paragraph)
-    pango_attr_list_insert_before (ensure_attrs (layout, attrs),
-                                   pango_attr_paragraph_new ());
+    {
+      attrs = ensure_attrs (layout, attrs);
+      pango_attr_list_insert_before (attrs,
+                                     pango_attr_paragraph_new ());
+    }
 
   if (attrs)
     return attrs;