This PR prepares PHP for a few minor changes that cause PHP builds to fail when using --enable-intl with ICU 70.1.
Change UBool to bool for equality operators in ICU >= 70.1
https://github.com/php/php-src/pull/7596
Signed-off-by: Hirokazu MORIKAWA <morikw2@gmail.com>
Hirokazu MORIKAWA