[ocamldoc] Ensure 'make doc' works with mlvm lib
[ocamldoc] Ensure 'make doc' works with mlvm lib

Signed-off-by: Rob Hoes <8783b3376fb07d39edffc8d7da68a6de3874a7e6@citrix.com>

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