Fix compiler warnings in ext/intl

I don't really get why these didn't show up before.

Author: nikic

ext/intl/breakiterator/breakiterator_iterators.cpp

@@ -32,7 +32,6 @@ extern "C" {
 }
 
 static zend_class_entry *IntlPartsIterator_ce_ptr;
-static zend_object_handlers IntlPartsIterator_handlers;
 
 /* BreakIterator's iterator */
 
@@ -87,7 +86,8 @@ static const zend_object_iterator_funcs breakiterator_iterator_funcs = {
 	NULL,
 	_breakiterator_move_forward,
 	_breakiterator_rewind,
-	zoi_with_current_invalidate_current
+	zoi_with_current_invalidate_current,
+	NULL, /* get_gc */
 };
 
 U_CFUNC zend_object_iterator *_breakiterator_get_iterator(
@@ -200,7 +200,8 @@ static const zend_object_iterator_funcs breakiterator_parts_it_funcs = {
 	_breakiterator_parts_get_current_key,
 	_breakiterator_parts_move_forward,
 	_breakiterator_parts_rewind,
-	zoi_with_current_invalidate_current
+	zoi_with_current_invalidate_current,
+	NULL, /* get_gc */
 };
 
 void IntlIterator_from_BreakIterator_parts(zval *break_iter_zv,

ext/intl/breakiterator/breakiterator_methods.cpp

@@ -173,7 +173,6 @@ static void _breakiter_no_args_ret_int32(
 		int32_t (BreakIterator::*func)(),
 		INTERNAL_FUNCTION_PARAMETERS)
 {
-	char	*msg;
 	BREAKITER_METHOD_INIT_VARS;
 	object = ZEND_THIS;
 

ext/intl/breakiterator/codepointiterator_internal.cpp

@@ -36,14 +36,14 @@ using icu::UCharCharacterIterator;
 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(CodePointBreakIterator)
 
 CodePointBreakIterator::CodePointBreakIterator()
-: BreakIterator(), fCharIter(NULL), lastCodePoint(U_SENTINEL)
+: BreakIterator(), lastCodePoint(U_SENTINEL), fCharIter(NULL)
 {
 	UErrorCode uec = UErrorCode();
 	this->fText = utext_openUChars(NULL, NULL, 0, &uec);
 }
 
 CodePointBreakIterator::CodePointBreakIterator(const PHP::CodePointBreakIterator &other)
-: BreakIterator(other), fText(NULL), fCharIter(NULL), lastCodePoint(U_SENTINEL)
+: BreakIterator(other), fText(NULL), lastCodePoint(U_SENTINEL), fCharIter(NULL)
 {
 	*this = other;
 }

ext/intl/calendar/gregoriancalendar_methods.cpp

@@ -47,7 +47,7 @@ static void _php_intlgregcal_constructor_body(
     INTERNAL_FUNCTION_PARAMETERS, bool is_constructor)
 {
 	zval		*tz_object	= NULL;
-	zval		args_a[6] = {0},
+	zval		args_a[6],
 				*args		= &args_a[0];
 	char		*locale		= NULL;
 	size_t			locale_len;