Make elfcmp exit 2 for trouble and 1 only for mismatch, like all its cousins.
diff --git a/src/ChangeLog b/src/ChangeLog
index a8453be..f4686df 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -80,6 +80,10 @@
 2009-01-06  Ulrich Drepper  <drepper@redhat.com>
 
 	* readelf.c: Implement call frame debug section dumping.
+2009-01-05  Roland McGrath  <roland@redhat.com>
+
+	* elfcmp.c: Exit with status 2 for errors (like cmp, diff, grep).
+	Status 1 (aka EXIT_FAILURE) is only for completed OK but not equal.
 
 2009-01-01  Ulrich Drepper  <drepper@redhat.com>