[vala/staging: 2/2] libarchive: Fix 'buffer' ownership in read_data_block() and ReadCallback()

[Rico Tzschichholz <ricotz src gnome org>]

commit ee0d5a24f22e1a6398b1fb16d07ca51425582df3
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Apr 25 08:19:23 2018 +0200

    libarchive: Fix 'buffer' ownership in read_data_block() and ReadCallback()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=795079

 vapi/libarchive.vapi |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/vapi/libarchive.vapi b/vapi/libarchive.vapi
index 97d0885..72a0048 100644
--- a/vapi/libarchive.vapi
+++ b/vapi/libarchive.vapi
@@ -30,7 +30,7 @@ namespace Archive {
        public unowned string version_string ();
 
        [CCode (instance_pos = 1.9, cname="archive_read_callback")]
-       public delegate ssize_t ReadCallback (Archive archive,[CCode (array_length = false)] out uint8[] 
buffer);
+       public delegate ssize_t ReadCallback (Archive archive,[CCode (array_length = false)] out unowned 
uint8[] buffer);
        [CCode (instance_pos = 1.9, cname="archive_skip_callback")]
        public delegate int64_t SkipCallback (Archive archive, int64_t request);
        [CCode (instance_pos = 1.9, cname="archive_write_callback")]
@@ -215,7 +215,7 @@ namespace Archive {
                [CCode (cname="archive_read_data")]
                public ssize_t read_data ([CCode (array_length_type = "size_t")] uint8[] buffer);
                [CCode (cname="archive_read_data_block")]
-               public Result read_data_block ([CCode (array_length_type = "size_t")] out uint8[] buffer, out 
int64_t offset);
+               public Result read_data_block ([CCode (array_length_type = "size_t")] out unowned uint8[] 
buffer, out int64_t offset);
                [CCode (cname="archive_read_data_skip")]
                public Result read_data_skip ();
                [CCode (cname="archive_read_data_into_fd")]