patch, 2 partsworkaround for iconv under macOS 14/15

From: Torsten Bögershausen <tboegi@web.de>

Add a V1 of tb/macos-iconv-workarounds
Especially:
  Base it on master branch which has 'rs/macos-iconv-workaround'

Torsten Bögershausen (2):
  utf8.c: Prepare workaround for iconv under macOS 14/15
  utf8.c: Enable workaround for iconv under macOS 14/15

 Makefile         |  7 +++++++
 config.mak.uname |  1 +
 utf8.c           | 13 +++++++++++++
 3 files changed, 21 insertions(+)