* generic/gdbtk-cmds.c: Include "ctype.h" if available.

    * generic/gdbtk-cmds.c: Include "ctype.h" if available.
        (gdb_get_mem): Renamed to gdb_update_mem.
        (gdb_update_mem): Take array as first tcl argument. This
        array will hold the data for the table, which is now stuffed
        in C instead of tcl.
        (gdb_eval): Use our own ui-file instead of gdb_stdout.
        * library/memwin.ith (_update_address): New method.
        (update_address): Address expression is no longer optional.
        * library/memwin.itb (build_win): Use _update_address instead of
        update_address.
        (toggle_enabled): Ditto.
        (newsize): Use _update_address instead of update_addr.
        (update_address_cb): Use _update_address instead of update_address.
        (do_popup): Likewise.
        (goto): Likewise.
        (incr_addr): Use _update_address instead of update_addr.
        (edit): Use gdb_update_mem instead of gdb_get_mem.
        (update_addr): use gdb_update_mem to do all the window updating.