fix build failure with gcc-14

[wangmingyu84]

When build with gcc14 the following error occurred:
| ../../../openct-0.6.20/src/ifd/ifdhandler.c: In function 'ifdhandler_run':
| ../../../openct-0.6.20/src/ifd/ifdhandler.c:239:52: error: passing argument 2 of 'ifd_get_eventfd' from incompatible pointer type [-Wincompatible-pointer-types]
| 239 | sock->fd = ifd_get_eventfd(reader, &sock->events);
| | ^~~~~~~~~~~~~
| | |
| | int *
| In file included from ../../../openct-0.6.20/src/ifd/internal.h:17,
| from ../../../openct-0.6.20/src/ifd/ifdhandler.c:7:
| ../../../openct-0.6.20/src/include/openct/ifd.h:182:65: note: expected 'short int *' but argument is of type 'int *'
| 182 | extern int ifd_get_eventfd(ifd_reader_t *, short *);
| | ^~~~~~~

| ../../../openct-0.6.20/src/ifd/process.c: In function 'do_memory_write':
| ../../../openct-0.6.20/src/ifd/process.c:461:61: error: passing argument 4 of 'ct_tlv_get_opaque' from incompatible pointer type -incompatible-pointer-types]
| 461 | || !ct_tlv_get_opaque(args, CT_TAG_DATA, &data, &data_len))
| | ^~~~~~~~~
| | |
| | unsigned int *
| In file included from ../../../openct-0.6.20/src/ifd/process.c:20:
| ../../../openct-0.6.20/src/include/openct/tlv.h:40:62: note: expected 'size_t *' {aka 'long unsigned int *'} but argument is of type 'unsigned int *'
| 40 | ifd_tag_t, unsigned char **, size_t *);

[0-wiz-0]

The patch is incomplete, this is also needed for src/ifd/process.c:

@@ -458,7 +458,7 @@ static int do_memory_write(ifd_reader_t * reader, int
                return IFD_ERROR_INVALID_SLOT;

        if (ct_tlv_get_int(args, CT_TAG_ADDRESS, &address) == 0
-           || !ct_tlv_get_opaque(args, CT_TAG_DATA, &data, &data_len))
+           || !ct_tlv_get_opaque(args, CT_TAG_DATA, &data, (size_t *)&data_len))
                return IFD_ERROR_MISSING_ARG;

        rc = ifd_card_write_memory(reader, unit, address, data, data_len);