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87b066b3f3
Fix a gcc 12 warning about an address known to be non-NULL in
format_proc_locale_proc().
> ../../../../src/winsup/cygwin/fhandler/proc.cc: In function ‘BOOL format_proc_locale_proc(LPWSTR, DWORD, LPARAM)’:
> ../../../../src/winsup/cygwin/fhandler/proc.cc:2156:11: error: the address of ‘iso15924’ will never be NULL [-Werror=address]
> 2156 | if (iso15924)
> | ^~~~~~~~
> ../../../../src/winsup/cygwin/fhandler/proc.cc:2133:11: note: ‘iso15924’ declared here
> 2133 | wchar_t iso15924[ENCODING_LEN + 1] = { 0 };
> | ^~~~~~~~
Fixes: c42b98bdc665f ("Cygwin: introduce /proc/codesets and /proc/locales")
Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
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