Special case neg zeros in x.__int__()

Author: honno

spec/API_specification/array_api/array_object.py

@@ -530,6 +530,7 @@ def __int__(self: array, /) -> int:
         For floating-point operands,
 
         - If ``self`` is a finite number, the result is the integer part of ``self``.
+        - If ``self`` is ``-0``, the result is ``0``.
 
         Parameters
         ----------