[librest] docs: Add some missing symbols

[Debarshi Ray <debarshir src gnome org>]

commit c866ba740170ef5cec4e1ef85a252a5a01d94b84
Author: Timm Bäder <mail baedert org>
Date:   Thu Mar 23 18:46:03 2017 +0100

    docs: Add some missing symbols
    
    So they end up being available in the generated html documentation.

 docs/reference/rest/rest-sections.txt |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/rest/rest-sections.txt b/docs/reference/rest/rest-sections.txt
index 2395bb7..ef4b3e3 100644
--- a/docs/reference/rest/rest-sections.txt
+++ b/docs/reference/rest/rest-sections.txt
@@ -45,9 +45,12 @@ rest_proxy_call_remove_param
 rest_proxy_call_get_params
 rest_proxy_call_run
 RestProxyCallAsyncCallback
+RestProxyCallUploadCallback
 rest_proxy_call_async
 rest_proxy_call_cancel
 rest_proxy_call_sync
+rest_proxy_call_upload
+rest_proxy_call_invoke_async
 rest_proxy_call_lookup_response_header
 rest_proxy_call_get_response_headers
 rest_proxy_call_get_payload_length