* infptrace.c (child_xfer_memory): Add cast to CORE_ADDR.
* infttrace.c (child_xfer_memory): Likewise.
* symm-nat.c (child_xfer_memory): Likewise.
* gdbserver/low-hppabsd.c (read_inferior_memory): Likewise.
(write_inferior_memory): Likewise.
* gdbserver/low-linux.c (read_inferior_memory): Likewise.
(write_inferior_memory): Likewise.
* gdbserver/low-lynx.c (read_inferior_memory): Likewise.
(write_inferior_memory): Likewise.
* gdbserver/low-nbsd.c (read_inferior_memory): Likewise.
(write_inferior_memory): Likewise.
* gdbserver/low-sparc.c (read_inferior_memory): Likewise.
(write_inferior_memory): Likewise.
* gdbserver/low-sun3.c (read_inferior_memory): Likewise.
(write_inferior_memory): Likewise.