This reverts commit 4fdb45f23ffe7a0578404f6a8fc08e904fc7f962.
NtMakeTemporaryObject() has existed since at least Windows NT 3.10.
Also note that recent win7/8 failures are due to erroneous RtlPcToFileHeader import, not NtMakeTemporaryObject(). (see https://bugs.winehq.org/show_bug.cgi?id=56458)