[vala] Report warning instead of error for private struct fields

[Luca Bruno <lucabru src gnome org>]

commit 59725f1b7235aec13415cee130502f8918f0116c
Author: Luca Bruno <lucabru src gnome org>
Date:   Thu Aug 21 01:35:45 2014 +0200

    Report warning instead of error for private struct fields

 vala/valaparser.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index 41d10ef..3127f44 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -2582,7 +2582,7 @@ public class Vala.Parser : CodeVisitor {
                }
 
                if (parent is Struct && f.access != SymbolAccessibility.PUBLIC && f.binding == 
MemberBinding.INSTANCE) {
-                       Report.error (f.source_reference, "accessibility of struct fields can only be 
`public`");
+                       Report.warning (f.source_reference, "accessibility of struct fields can only be 
`public`");
                }
 
                if (ModifierFlags.ABSTRACT in flags