protocol-v2 doc: put HTTP headers after request

HTTP servers return 400 if you send headers before the GET request.

Signed-off-by: Josh Steadmon <[email protected]>
Reviewed-by: Jonathan Nieder <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: steadmon

Documentation/technical/protocol-v2.txt

@@ -64,9 +64,8 @@ When using the http:// or https:// transport a client makes a "smart"
 info/refs request as described in `http-protocol.txt` and requests that
 v2 be used by supplying "version=2" in the `Git-Protocol` header.
 
-   C: Git-Protocol: version=2
-   C:
    C: GET $GIT_URL/info/refs?service=git-upload-pack HTTP/1.0
+   C: Git-Protocol: version=2
 
 A v2 server would reply: