From c9eab729ed1dfc555a784aa98d4e58f004ef1e42 Mon Sep 17 00:00:00 2001
From: "Heiko Schlittermann (HS12-RIPE)" <hs@schlittermann.de>
Date: Wed, 23 Nov 2016 16:04:24 +0100
Subject: [PATCH] Testsuite: fix warning

---
 test/lib/Exim/Runtest.pm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/lib/Exim/Runtest.pm b/test/lib/Exim/Runtest.pm
index ce91084f4..8d22544bf 100644
--- a/test/lib/Exim/Runtest.pm
+++ b/test/lib/Exim/Runtest.pm
@@ -64,8 +64,10 @@ sub dynamic_socket {
 sub exim_binary {
 
     # two simple cases, absolute path or relative path and executable
-    return @_ if $_[0] =~ /^\//;
-    return Cwd::abs_path(shift), @_ if -x $_[0];
+    if (@_) {
+        return @_ if $_[0] =~ /^\//;
+        return Cwd::abs_path(shift), @_ if -x $_[0];
+    }
 
     # so we're still here, if the simple approach didn't help.
 
-- 
2.25.1