RFR: JDK-8253239: Disable VS warning C4307 [v2]

[Matthias Baesken]

On Fri, 18 Sep 2020 08:57:36 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Matthias Baesken has refreshed the contents of this pull request, and previous commits have been removed. The
>> incremental views will show differences compared to the previous content of the PR. The pull request contains one new
>> commit since the last revision:
>>   JDK-8253239
>
> make/autoconf/flags-cflags.m4 line 138:
> 
>> 136:       DISABLED_WARNINGS="4800"
>> 137:       if test "x$TOOLCHAIN_VERSION" = x2017; then
>> 138:           DISABLED_WARNINGS+=" 4307"
> 
> Seems like this file uses 2 spaces as indenting, 4 spaces are used here.

You Are right, I adjusted the indenting to 2 sapces and did a git commit  --amend and repushed it.

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PR: https://git.openjdk.java.net/jdk/pull/237