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, 5 insertions, 5 deletions

diff --git a/src/hostname.c b/src/hostname.c
index 6572b320d..110014b3f 100644
--- a/src/hostname.c
+++ b/src/hostname.c
@@ -51,7 +51,7 @@ usage (int status)
 {
   if (status != EXIT_SUCCESS)
     fprintf (stderr, _("Try `%s --help' for more information.\n"),
-	     program_name);
+             program_name);
   else
     {
       printf (_("\
@@ -82,7 +82,7 @@ main (int argc, char **argv)
   atexit (close_stdout);
 
   parse_long_options (argc, argv, PROGRAM_NAME, PACKAGE_NAME, Version,
-		      usage, AUTHORS, (char const *) NULL);
+                      usage, AUTHORS, (char const *) NULL);
   if (getopt_long (argc, argv, "", NULL, NULL) != -1)
     usage (EXIT_FAILURE);
 
@@ -92,10 +92,10 @@ main (int argc, char **argv)
       /* Set hostname to operand.  */
       char const *name = argv[optind];
       if (sethostname (name, strlen (name)) != 0)
-	error (EXIT_FAILURE, errno, _("cannot set name to %s"), quote (name));
+        error (EXIT_FAILURE, errno, _("cannot set name to %s"), quote (name));
 #else
       error (EXIT_FAILURE, 0,
-	     _("cannot set hostname; this system lacks the functionality"));
+             _("cannot set hostname; this system lacks the functionality"));
 #endif
     }
 
@@ -103,7 +103,7 @@ main (int argc, char **argv)
     {
       hostname = xgethostname ();
       if (hostname == NULL)
-	error (EXIT_FAILURE, errno, _("cannot determine hostname"));
+        error (EXIT_FAILURE, errno, _("cannot determine hostname"));
       printf ("%s\n", hostname);
     }