mbstring compile warning due to non-strings

[VARGA-Peter]

Description

Below the warning for all occurrences of the iso codes.

/builds/php-8.4.14/ext/mbstring/libmbfl/filters/mbfilter_utf8.c:728:38: warning: initializer-string for array of ‘char’ truncates NUL terminator but destination lacks ‘nonstring’ attribute (3 chars into 2 available) [-Wunterminated-string-initialization]
  728 | static const char nflags_s[10][2] = {"CN","DE","ES","FR","GB","IT","JP","KR","RU","US"};

PHP Version

8.4.14

Operating System

SLES 15 SP7

[ndossche]

This is fixed on master with the ZEND_NONSTRING attribute, but because the attribute is in a public header this addition wasn't backported.
It's possible to backport a local fix for this issue though.