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

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sum.c b/src/sum.c
index 267b1b1be..38ccf3a54 100644
--- a/src/sum.c
+++ b/src/sum.c
@@ -253,7 +253,7 @@ main (int argc, char **argv)
 	errors = 1;
 
   if (have_read_stdin && fclose (stdin) == EOF)
-    error (1, errno, "-");
+    error (EXIT_FAILURE, errno, "-");
   exit (errors == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }