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, 7 insertions, 7 deletions

diff --git a/tests/df/total-verify b/tests/df/total-verify
index 809f70d02..7b6273d2d 100755
--- a/tests/df/total-verify
+++ b/tests/df/total-verify
@@ -39,13 +39,13 @@ while (<>)
       or die "$0: invalid input line\n: $_";
     if ($1 eq 'total' && $5 eq '')
       {
-	$total == $2 or die "$total != $2";
-	$used  == $3 or die "$used  != $3";
-	$avail == $4 or die "$avail != $4";
-	my $line = <>;
-	defined $line
-	  and die "$0: extra line(s) after totals\n";
-	exit 0;
+        $total == $2 or die "$total != $2";
+        $used  == $3 or die "$used  != $3";
+        $avail == $4 or die "$avail != $4";
+        my $line = <>;
+        defined $line
+          and die "$0: extra line(s) after totals\n";
+        exit 0;
       }
     $total += $2 unless $2 eq '-';
     $used  += $3 unless $3 eq '-';