[Bug 280560] java/openjdk11: fix build with clang 19

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280560

--- Comment #3 from commit-hook@FreeBSD.org ---
A commit in branch 2024Q3 references this bug:

URL:
https://cgit.FreeBSD.org/ports/commit/?id=6bd6dc4ea51f59381fbc5eb84b0e883bc297270c

commit 6bd6dc4ea51f59381fbc5eb84b0e883bc297270c
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2024-08-01 11:41:40 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2024-08-07 16:51:45 +0000

    java/openjdk11: fix build with clang 19

    Clang 19 is now more strict about undefined integral expressions used as
    constants in enum, which results in errors compiling java/openjdk11,
    similar to:

       
/wrkdirs/usr/ports/java/openjdk11/work/jdk11u-jdk-11.0.24-8-1/src/jdk.pack/share/native/common-unpack/constants.h:206:33:
error: expression is not an integral constant expression
          206 |     AO_UNUSED_MBZ             = (-1)<<13, // options bits
reserved for future use.
              |                                 ^~~~~~~~
       
/wrkdirs/usr/ports/java/openjdk11/work/jdk11u-jdk-11.0.24-8-1/src/jdk.pack/share/native/common-unpack/constants.h:206:37:
note: left shift of negative value -1
          206 |     AO_UNUSED_MBZ             = (-1)<<13, // options bits
reserved for future use.
              |                                     ^

    Replace the negative value with ~0u to fix this error.

    PR:             280560
    Approved by:    glewis (maintainer)
    MFH:            2024Q3

    (cherry picked from commit d2ae63c6feffda05eb643520dd851451ee337f53)

 ...-src_jdk.pack_share_native_common-unpack_constants.h (new) | 11 +++++++++++
 1 file changed, 11 insertions(+)

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