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, 6 insertions, 6 deletions

diff --git a/tests/misc/sort-merge b/tests/misc/sort-merge
index c10a59db2..aedd64c64 100755
--- a/tests/misc/sort-merge
+++ b/tests/misc/sort-merge
@@ -43,11 +43,11 @@ my @Tests =
      # check validation of --batch-size option
      ['nmerge-0', "-m --batch-size=0", @inputs,
         {ERR=>"$prog: invalid --batch-size argument `0'\n".
-	      "$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
+              "$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
 
      ['nmerge-1', "-m --batch-size=1", @inputs,
         {ERR=>"$prog: invalid --batch-size argument `1'\n".
-	      "$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
+              "$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
 
      ['nmerge-neg', "-m --batch-size=-1", @inputs,
         {ERR=>"$prog: invalid --batch-size argument `-1'\n"}, {EXIT=>2}],
@@ -56,9 +56,9 @@ my @Tests =
         {ERR=>"$prog: invalid --batch-size argument `a'\n"}, {EXIT=>2}],
 
      ['nmerge-big', "-m --batch-size=$bigint", @inputs,
-	{ERR_SUBST=>'s/(current rlimit is) \d+/$1/'},
+        {ERR_SUBST=>'s/(current rlimit is) \d+/$1/'},
         {ERR=>"$prog: --batch-size argument `$bigint' too large\n".
-	      "$prog: maximum --batch-size argument with current rlimit is\n"},
+              "$prog: maximum --batch-size argument with current rlimit is\n"},
         {EXIT=>2}],
 
      # This should work since nmerge >= the number of input files
@@ -69,12 +69,12 @@ my @Tests =
      ['nmerge-no', "-m --batch-size=2 -T$badtmp", @inputs,
         {ERR_SUBST=>"s|': .*|':|"},
         {ERR=>"$prog: cannot create temporary file in `$badtmp':\n"},
-	{EXIT=>2}],
+        {EXIT=>2}],
 
      # This used to fail because setting batch-size without also setting
      # buffer size would cause the buffer size to be set to the minimum.
      ['batch-size', "--batch-size=16 -T$badtmp", {IN=> {big=> $big_input}},
-	{OUT=>$big_input}],
+        {OUT=>$big_input}],
     );
 
 my $save_temps = $ENV{DEBUG};