git: openjdk/jdk: 8253824: Revert JDK-8253089 since VS warning C4307 has been disabled

[Aleksey Shipilev]

Changeset: 60ec2a53
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2020-10-01 16:07:43 +0000
URL:       https://git.openjdk.java.net/jdk/commit/60ec2a53

8253824: Revert JDK-8253089 since VS warning C4307 has been disabled

Reviewed-by: mdoerr, iklam

! src/hotspot/share/runtime/flags/jvmFlagLookup.cpp
! src/hotspot/share/runtime/flags/jvmFlagLookup.hpp