tests: sanitize 'unset' usages

[platform/upstream/automake.git] / t / yflags.sh

diff --git a/t/yflags.sh b/t/yflags.sh
old mode 100755 (executable)
new mode 100644 (file)
index bb453ed..f8fe7a4
--- a/t/yflags.sh
+++ b/t/yflags.sh
@@ -1,5 +1,5 @@
 #! /bin/sh
-# Copyright (C) 2010-2012 Free Software Foundation, Inc.
+# Copyright (C) 2010-2013 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -30,7 +30,7 @@ chmod a+x fake-yacc
 
 # Remove Yacc from the environment, so that it won't interfere
 # with 'make -e' below.
-unset YACC || :
+unset YACC
 
 cat >> configure.ac <<'END'
 AC_SUBST([CC], [false])