Change UBool to bool for equality operators in ICU >= 70.1

Refer to:
- unicode-org/icu@633438f
- unicode-org/icu@f6325d4

Author: ramsey

ext/intl/breakiterator/codepointiterator_internal.cpp

@@ -75,7 +75,11 @@ CodePointBreakIterator::~CodePointBreakIterator()
 	clearCurrentCharIter();
 }
 
+#if U_ICU_VERSION_MAJOR_NUM >= 70
+bool CodePointBreakIterator::operator==(const BreakIterator& that) const
+#else
 UBool CodePointBreakIterator::operator==(const BreakIterator& that) const
+#endif
 {
 	if (typeid(*this) != typeid(that)) {
 		return FALSE;

ext/intl/breakiterator/codepointiterator_internal.h

@@ -39,7 +39,11 @@ namespace PHP {
 
 		virtual ~CodePointBreakIterator();
 
+#if U_ICU_VERSION_MAJOR_NUM >= 70
+		virtual bool operator==(const BreakIterator& that) const;
+#else
 		virtual UBool operator==(const BreakIterator& that) const;
+#endif
 
 		virtual CodePointBreakIterator* clone(void) const;