Specify the null default explicitly

Rather than having the implicit default twice; keeps the test similar.

Author: NattyNarwhal

ext/odbc/tests/odbc_fetch_array_001.phpt

@@ -17,7 +17,7 @@ odbc_exec($conn, 'INSERT INTO fetch_array VALUES (1), (2)');
 $res = odbc_exec($conn, 'SELECT * FROM fetch_array');
 
 var_dump(odbc_fetch_array($res));
-var_dump(odbc_fetch_array($res));
+var_dump(odbc_fetch_array($res, null));
 var_dump(odbc_fetch_array($res, 2));
 var_dump(odbc_fetch_array($res, 4));
 

ext/odbc/tests/odbc_fetch_into_001.phpt

@@ -20,7 +20,7 @@ $arr = [];
 var_dump(odbc_fetch_into($res, $arr));
 var_dump($arr);
 $arr = [];
-var_dump(odbc_fetch_into($res, $arr));
+var_dump(odbc_fetch_into($res, $arr, null));
 var_dump($arr);
 $arr = [];
 var_dump(odbc_fetch_into($res, $arr, 2));

ext/odbc/tests/odbc_fetch_object_001.phpt

@@ -17,7 +17,7 @@ odbc_exec($conn, 'INSERT INTO fetch_object VALUES (1), (2)');
 $res = odbc_exec($conn, 'SELECT * FROM fetch_object');
 
 var_dump(odbc_fetch_object($res));
-var_dump(odbc_fetch_object($res));
+var_dump(odbc_fetch_object($res, null));
 var_dump(odbc_fetch_object($res, 2));
 var_dump(odbc_fetch_object($res, 4));