[whitespace] Conservatively corrects the whitespace for a small number of functions...

[whitespace] Conservatively corrects the whitespace for a small number of functions that invoke VM start, in preparation for further patches that will add parameters to VM start.

Signed-off-by: Jonathan Knowles <jonathan.knowles@eu.citrix.com>
Proof that this patch introduces no semantic changes:

camlp4o -printer o -no_comments $file:

ocaml/guest_installer/operations.ml
    398ff818ee6c030d38bc6b76fa7385a5 -
    398ff818ee6c030d38bc6b76fa7385a5 - PASS
ocaml/lvhdrt/tc_8682.ml
    7ed322d06bce9560709e6dbff008b92b -
    7ed322d06bce9560709e6dbff008b92b - PASS
ocaml/multipathrt/iscsi_utils.ml
    a13f2e09112de6bbc4573eb99d97a14e -
    a13f2e09112de6bbc4573eb99d97a14e - PASS
ocaml/perftest/createpool.ml
    c5d540752831a6f4ea90ebab927aebe0 -
    c5d540752831a6f4ea90ebab927aebe0 - PASS
ocaml/perftest/createVM.ml
    9c61c2e5a870bbb23fa4963e16d213f1 -
    9c61c2e5a870bbb23fa4963e16d213f1 - PASS
ocaml/perftest/tests.ml
    3f42d787e9d5453af839f073a203cdf2 -
    3f42d787e9d5453af839f073a203cdf2 - PASS
ocaml/toplevel/testscript.ml
    f5726b371208812719d271db11b175b5 -
    f5726b371208812719d271db11b175b5 - PASS
ocaml/toplevel/vm_start.ml
    0b438921a4e7d383f8227d39916d0a74 -
    0b438921a4e7d383f8227d39916d0a74 - PASS
ocaml/xapi/message_forwarding.ml
    0c15667c3ce05fd5a7b6b9c62c2b30cc -
    0c15667c3ce05fd5a7b6b9c62c2b30cc - PASS
ocaml/xapimon/xapimon.ml
    4ae10b335aac69bd38f2868c68e4daf6 -
    4ae10b335aac69bd38f2868c68e4daf6 - PASS
ocaml/xapi/quicktest_lifecycle.ml
    4cb982e5ef773a0b9e532cf63d113ea4 -
    4cb982e5ef773a0b9e532cf63d113ea4 - PASS
ocaml/xapi/quicktest.ml
    4ae53162b079db97eaafb4b5aeeaaae9 -
    4ae53162b079db97eaafb4b5aeeaaae9 - PASS
ocaml/xapi/xapi_ha_vm_failover.ml
    230ee174e12e54801b332ca06ed7b055 -
    230ee174e12e54801b332ca06ed7b055 - PASS
ocaml/xapi/xapi_vm.ml
    83642a93962b2ae7da82b0aad1389ec7 -
    83642a93962b2ae7da82b0aad1389ec7 - PASS