[vala] girparser: warn instead of error on unrecognized metadata arguments

[Evan Nemerson <evann src gnome org>]

commit 379733cd52f6571d1408809f6fcb19a91e67e3f9
Author: Evan Nemerson <evan coeus-group com>
Date:   Sat Feb 16 14:49:45 2013 -0800

    girparser: warn instead of error on unrecognized metadata arguments

 vala/valagirparser.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index 92284d9..2773397 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -444,8 +444,8 @@ public class Vala.GirParser : CodeVisitor {
                                }
                                var arg_type = ArgumentType.from_string (id);
                                if (arg_type == null) {
-                                       Report.error (get_src (begin, old_end), "unknown argument");
-                                       return false;
+                                       Report.warning (get_src (begin, old_end), "unknown argument 
`%s'".printf (id));
+                                       continue;
                                }
 
                                if (current != TokenType.ASSIGN) {