global: convert indentation-TABs to spaces

Transformed via this shell code:
t=$'\t'
git ls-files \
  | grep -vE '(^|/)((GNU)?[Mm]akefile|ChangeLog)|\.(am|mk)$' \
  | grep -vE 'tests/pr/|help2man' \
  | xargs grep -lE "^ *$t" \
  | xargs perl -MText::Tabs -ni -le \
    '$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/t-chdir-long b/lib/t-chdir-long
index e92d445ae..489c6b50a 100755
--- a/lib/t-chdir-long
+++ b/lib/t-chdir-long
@@ -38,10 +38,10 @@ function mkdir_len
   ( cd $root &&
     perl -e 'my $len='$n'-length "'$root'";$i=100;$d="z"x$i;
                   while ($i+2 < $len) {
-		    $len -= $i + 1;
-		    mkdir $d,0700 or die "$!\n";
-		    chdir $d} $d="z"x($len-1);
-		    mkdir $d or die "mkdir_len: $d: $!\n"' )
+                    $len -= $i + 1;
+                    mkdir $d,0700 or die "$!\n";
+                    chdir $d} $d="z"x($len-1);
+                    mkdir $d or die "mkdir_len: $d: $!\n"' )
 }
 
 size_list=