fdo#75376: configure: disable LTO by default for MSVC too

MSVC 2010 LTO triggers some bug in painting Writer documents;
unfortunately it's not possible to put a VCVER check in there to enable
LTO by default only for MSVC2012 because the compiler detection actually
uses the ENABLE_LTO value.

Change-Id: I29ecdd552d8a8bbd673a844e6bf0c938a98825c2
(cherry picked from commit 0d8e3a145901ab0124d40d33a50e2de28dc0c8ab)
Reviewed-on: https://gerrit.libreoffice.org/8918
Tested-by: Norbert Thiebaud <nthiebaud@gmail.com>
Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>