git: openjdk/jdk17u-dev: 2 new changesets

[Goetz Lindenmaier]

Changeset: 908cab41
Author:    Severin Gehwolf <sgehwolf at openjdk.org>
Date:      2023-04-03 12:18:21 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/908cab4123812b6b206b966a6ce92398cdf42c08

8304871: Use default visibility for static library builds

Backport-of: f0dba218ac00c0c577400b4d864ba79a9938aef7

! make/autoconf/flags-cflags.m4

Changeset: a2969378
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-04-08 15:04:50 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/a29693789bffcf0f821590fdf235cf292c9a50b6

Merge

! make/autoconf/flags-cflags.m4
! make/autoconf/flags-cflags.m4