Allow building with the ruby20 FLAVOR. Reminder by nigel@.

databases/ruby-bdb/Makefile

@@ -1,8 +1,8 @@
-# $OpenBSD: Makefile,v 1.33 2013/03/11 02:52:08 espie Exp $
+# $OpenBSD: Makefile,v 1.34 2013/10/07 20:56:53 jeremy Exp $
 
 COMMENT=		ruby interface to Berkeley DB
 DISTNAME=		bdb-0.6.5
-REVISION=		6
+REVISION=		7
 CATEGORIES=		databases
 
 HOMEPAGE=		http://rubyforge.org/projects/bdb/

databases/ruby-bdb/patches/patch-src_features_rb

@@ -0,0 +1,21 @@
+$OpenBSD: patch-src_features_rb,v 1.1 2013/10/07 20:56:53 jeremy Exp $
+--- src/features.rb.orig	Fri Jun 27 04:29:30 2008
++++ src/features.rb	Thu Oct  3 13:31:27 2013
+@@ -813,7 +813,7 @@ end
+ begin
+    conftest = CONFTEST_C.dup
+    class Object
+-      remove_const('CONFTEST_C')
++      remove_const('CONFTEST_C') rescue nil
+    end
+ 
+    CONFTEST_C = 'conftest.cxx'
+@@ -878,7 +878,7 @@ EOT
+ 
+ ensure
+    class Object
+-      remove_const('CONFTEST_C')
++      remove_const('CONFTEST_C') rescue nil
+    end
+ 
+    CONFTEST_C = conftest