Call error with EXIT_FAILURE (rather than `1') as first actual parameter.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/fmt.c b/src/fmt.c
index 48340da6a..067efa8ad 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -383,7 +383,7 @@ main (register int argc, register char **argv)
 	  long int tmp_long;
 	  if (xstrtol (optarg, NULL, 10, &tmp_long, NULL) != LONGINT_OK
 	      || tmp_long <= 0 || tmp_long > INT_MAX)
-	    error (1, 0, _("invalid line number increment: `%s'"),
+	    error (EXIT_FAILURE, 0, _("invalid line number increment: `%s'"),
 		   optarg);
 	  max_width = (int) tmp_long;
 	}