[vala] Make PutUnion public

[Jaap A. Haitsma <jhaitsma src gnome org>]

commit a5f7cb5b195bc50e59d137f3c2ca7c6400c032a9
Author: Frederik <scumm_fredo gmx net>
Date:   Sat Aug 1 22:21:49 2009 +0200

    Make PutUnion public
    
    vala tiff example now works

 vapi/tiff.vapi |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/vapi/tiff.vapi b/vapi/tiff.vapi
index cc0a10e..1b4bf7f 100644
--- a/vapi/tiff.vapi
+++ b/vapi/tiff.vapi
@@ -104,7 +104,7 @@ namespace Tiff {
 	}
 
 	[Compact]
-	private class PutUnion {
+	public class PutUnion {
 		public delegate void any (RGBAImage p1);
 		TileContigRoutine contig;
 		TileSeparateRoutine separate;