#7577: fix signature of PyBuffer_FillInfo().

Doc/c-api/buffer.rst

@@ -294,7 +294,7 @@ Buffer related functions
    given shape with the given number of bytes per element.
 
 
-.. cfunction:: int PyBuffer_FillInfo(Py_buffer *view, void *buf, Py_ssize_t len, int readonly, int infoflags)
+.. cfunction:: int PyBuffer_FillInfo(Py_buffer *view, PyObject *obj, void *buf, Py_ssize_t len, int readonly, int infoflags)
 
    Fill in a buffer-info structure, *view*, correctly for an exporter that can
    only share a contiguous chunk of memory of "unsigned bytes" of the given