unistr/u32-chr, unistr/u32-strlen, unistr/u32-strcat: Relicense under LGPLv2+

[Bruno Haible]

These 3 modules will soon be dependencies of 'fnmatch', and therefore have
to be under LGPLv2+ license. I'm the sole author of these *.[ch] files, so
I relicense them.


2023-07-23  Bruno Haible  <bruno@clisp.org>

        unistr/u32-strcat: Relicense under LGPLv2+.
        * modules/unistr/u32-strcat (License): Change to LGPLv2+.
        * lib/unistr/u32-strcat.c: Update license notice.
        * lib/unistr/u-strcat.h: Likewise.

2023-07-23  Bruno Haible  <bruno@clisp.org>

        unistr/u32-strlen: Relicense under LGPLv2+.
        * modules/unistr/u32-strlen (License): Change to LGPLv2+.
        * lib/unistr/u32-strlen.c: Update license notice.

2023-07-23  Bruno Haible  <bruno@clisp.org>

        unistr/u32-chr: Relicense under LGPLv2+.
        * modules/unistr/u32-chr (License): Change to LGPLv2+.
        * lib/unistr/u32-chr.c: Update license notice.

0001-unistr-u32-chr-Relicense-under-LGPLv2.patch
Description: Text Data

0002-unistr-u32-strlen-Relicense-under-LGPLv2.patch
Description: Text Data

0003-unistr-u32-strcat-Relicense-under-LGPLv2.patch
Description: Text Data