Add a trivial autogen.sh
Add a trivial autogen.sh

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

xapi-project/message-switch,xapi-project/message-switch,djs55/forkexecd,johnelse/forkexecd,xapi-project/message-switch