Update DEBUG* invocations to use new levels
    
    Use a script (identical to commit
    83bf46f4066e3d5e838a32357c201de9bd6ecdfd) to update DEBUG* macro
    invocations, which use literal numbers for levels, to use bitmask macros
    instead:
    
    grep -rl --include '*.[hc]' DEBUG . |
        while read f; do
            mv "$f"{,.orig}
            perl -e 'use strict;
                     use File::Slurp;
                     my @map=qw"
                        SSSDBG_FATAL_FAILURE
                        SSSDBG_CRIT_FAILURE
                        SSSDBG_OP_FAILURE
                        SSSDBG_MINOR_FAILURE
                        SSSDBG_CONF_SETTINGS
                        SSSDBG_FUNC_DATA
                        SSSDBG_TRACE_FUNC
                        SSSDBG_TRACE_LIBS
                        SSSDBG_TRACE_INTERNAL
                        SSSDBG_TRACE_ALL
                     ";
                     my $text=read_file(\*STDIN);
                     my $repl;
                     $text=~s/
                                ^
                                (
                                    .*
                                    \b
                                    (DEBUG|DEBUG_PAM_DATA|DEBUG_GR_MEM)
                                    \s*
                                    \(\s*
                                )(
                                    [0-9]
                                )(
                                    \s*,
                                )
                                (
                                    \s*
                                )
                                (
                                    .*
                                )
                                $
                             /
                                $repl = $1.$map[$3].$4.$5.$6,
                                length($repl) <= 80
                                    ? $repl
                                    : $1.$map[$3].$4."\n".(" " x length($1)).$6
                             /xmge;
                     print $text;
            ' < "$f.orig" > "$f"
            rm "$f.orig"
        done