>From a6f2dd040066790f40319174cd5e86a6d16cc06c Mon Sep 17 00:00:00 2001
From: Bernhard Voelker <address@hidden>
Date: Fri, 22 Jun 2018 00:29:00 +0200
Subject: [PATCH] tests: initialize fail=0 to avoid "unary operator expected"
 errors

With an uninitialized variable 'fail', the unquoted use like
  test $fail = 1
lead to the shell error
  "unary operator expected".

* tests/local.mk (TESTS_ENVIRONMENT): Initialize fail=0.
---
 tests/local.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/local.mk b/tests/local.mk
index e13a6aad5..307ade920 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -66,6 +66,7 @@ TESTS_ENVIRONMENT =				\
   abs_top_srcdir='$(abs_top_srcdir)'		\
   abs_srcdir='$(abs_srcdir)'			\
   built_programs='$(built_programs) $(single_binary_progs)' \
+  fail=0					\
   host_os=$(host_os)				\
   host_triplet='$(host_triplet)'		\
   srcdir='$(srcdir)'				\
-- 
2.17.1