gh-93738: Documentation C syntax (:c:data:0 -> 0) (GH-97771)

:c:data:`0` -> ``0``
(cherry picked from commit 5e997cf)

Co-authored-by: Adam Turner <[email protected]>

Author: miss-islington

Doc/c-api/exceptions.rst

@@ -189,7 +189,7 @@ For convenience, some of these functions will always return a
 .. c:function:: PyObject* PyErr_SetFromWindowsErr(int ierr)
 
    This is a convenience function to raise :exc:`WindowsError`. If called with
-   *ierr* of :c:data:`0`, the error code returned by a call to :c:func:`GetLastError`
+   *ierr* of ``0``, the error code returned by a call to :c:func:`GetLastError`
    is used instead.  It calls the Win32 function :c:func:`FormatMessage` to retrieve
    the Windows description of error code given by *ierr* or :c:func:`GetLastError`,
    then it constructs a tuple object whose first item is the *ierr* value and whose