[vala] bzlib: add BZFILE binding

[Evan Nemerson <evann src gnome org>]

commit 795ba8f925ef404165782fe9cdb2b693a6ea0322
Author: Andre Masella <andre p masella gmail com>
Date:   Thu Sep 22 19:03:57 2011 -0700

    bzlib: add BZFILE binding
    
    Fixes bug 656710.

 vapi/bzlib.vapi |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/vapi/bzlib.vapi b/vapi/bzlib.vapi
index 9c061de..726b6cc 100644
--- a/vapi/bzlib.vapi
+++ b/vapi/bzlib.vapi
@@ -71,4 +71,14 @@ namespace BZLib {
 		[CCode (cname = "BZ2_bzDecompressEnd")]
 		public Status decompress_end ();
 	}
+
+	[CCode (cname = "BZFILE", cprefix = "BZ2_bz", free_function = "BZ2_bzclose")]
+	[Compact]
+	public class BZFileStream {
+		public static BZFileStream open (string path, string mode = "rb");
+		public static BZFileStream dopen (int fd, string mode);
+		public int read (uint8[] buf);
+		public int write (uint8[] buf);
+		public unowned string error (out Status status);
+	}
 }