2003-12-17  Jeff Johnston  <jjohnstn@redhat.com>
    
            * linespec.h (decode_line_1): Add new not_found_ptr parameter.
            * linespec.c (decode_line_1): Add new parameter.  Pass on
            new parameter to decode_variable and symtab_from_filename
            functions.
            (decode_variable): Add new not_found_ptr parameter.  Throw exception
            rather than failing if the not_found_ptr is non-null and the
            function is not found.
            (symtab_from_filename): Add new not_found_ptr parametr.   Throw
            exception rather than failing if the not_found_ptr is non-null and
            the source file is not found.
            * breakpoint.c: Change all callers of decode_line_1 to add default
            extra parameter for decode_line_1 calls.
            * tracepoint.c: Ditto.
            * cli/cli-cmds.c: Ditto.