[ostree] _ostree_repo_file_replace_contents: make buf const

[Colin Walters <walters src gnome org>]

commit 69184e70e953c8d2084b73202bd0ba8d419e7480
Author: Giuseppe Scrivano <gscrivan redhat com>
Date:   Tue Apr 14 09:56:13 2015 +0200

    _ostree_repo_file_replace_contents: make buf const
    
    Signed-off-by: Giuseppe Scrivano <gscrivan redhat com>

 src/libostree/ostree-repo-private.h |    2 +-
 src/libostree/ostree-repo.c         |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libostree/ostree-repo-private.h b/src/libostree/ostree-repo-private.h
index ceed471..adf5ec2 100644
--- a/src/libostree/ostree-repo-private.h
+++ b/src/libostree/ostree-repo-private.h
@@ -130,7 +130,7 @@ gboolean
 _ostree_repo_file_replace_contents (OstreeRepo    *self,
                                     int            dfd,
                                     const char    *path,
-                                    guint8        *buf,
+                                    const guint8  *buf,
                                     gsize          len,
                                     GCancellable  *cancellable,
                                     GError       **error);
diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index b27fcce..5215e66 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -1509,7 +1509,7 @@ gboolean
 _ostree_repo_file_replace_contents (OstreeRepo    *self,
                                     int            dfd,
                                     const char    *path,
-                                    guint8        *buf,
+                                    const guint8   *buf,
                                     gsize          len,
                                     GCancellable  *cancellable,
                                     GError       **error)