fgetcsv default values are deprecated with 8.4

[remicollet]

Using 8.4.0RC1

========DIFF========
     bool(true)
002+ 
003+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_callback.php on line 25
     array(2) {
       [0]=>
       string(4) "Item"
       [1]=>
       string(4) "Cost"
     }
010+ 
011+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_callback.php on line 26
     array(4) {
       [0]=>
       string(6) "Item_1"
--
========DONE========
FAIL Check for vtiful presence [tests/xlsx_to_csv_callback.phpt] 
                                                    
========DIFF========
     bool(true)
002+ 
003+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_callback_custom_delimiter.php on line 25
     array(2) {
       [0]=>
       string(4) "Item"
       [1]=>
       string(4) "Cost"
     }
010+ 
011+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_callback_custom_delimiter.php on line 25
     array(4) {
       [0]=>
       string(6) "Item_1"
--
       [3]=>
       string(10) "10.9999995"
     }
022+ 
023+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_callback_custom_delimiter.php on line 25
========DONE========
FAIL Check for vtiful presence [tests/xlsx_to_csv_callback_custom_delimiter.phpt] 
                                                   
========DIFF========
     bool(true)
002+ 
003+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_custom_delimiter.php on line 23
     array(2) {
       [0]=>
       string(4) "Item"
       [1]=>
       string(4) "Cost"
     }
010+ 
011+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_custom_delimiter.php on line 23
     array(4) {
       [0]=>
       string(6) "Item_1"
--
       [3]=>
       string(10) "10.9999995"
     }
022+ 
023+ Deprecated: fgetcsv(): the $escape parameter must be provided as its default value will change in /dev/shm/BUILD/php84-php-pecl-xlswriter-1.5.7/xlswriter-1.5.7/tests/xlsx_to_csv_custom_delimiter.php on line 23
========DONE========
FAIL Check for vtiful presence [tests/xlsx_to_csv_custom_delimiter.phpt]