[vala/0.40] vala: Use global CodeContext to retrieve root_symbol

[Rico Tzschichholz <ricotz src gnome org>]

commit 71ee243d4b8023edae6e089a693f3c4e629a614e
Author: Luca Bruno <lucabru src gnome org>
Date:   Sat May 4 15:35:04 2013 +0200

    vala: Use global CodeContext to retrieve root_symbol

 vala/valaerrortype.vala | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/vala/valaerrortype.vala b/vala/valaerrortype.vala
index 7a7946643..054fe8031 100644
--- a/vala/valaerrortype.vala
+++ b/vala/valaerrortype.vala
@@ -112,8 +112,7 @@ public class Vala.ErrorType : ReferenceType {
        }
 
        public override Symbol? get_member (string member_name) {
-               var root_symbol = source_reference.file.context.root;
-               var gerror_symbol = root_symbol.scope.lookup ("GLib").scope.lookup ("Error");
+               var gerror_symbol = CodeContext.get ().root.scope.lookup ("GLib").scope.lookup ("Error");
                return gerror_symbol.scope.lookup (member_name);
        }