From 85e6ff67e08113c0e9b97f42f6521638512ab06a Mon Sep 17 00:00:00 2001
From: Volker Birk <vb@pep-project.org>
Date: Mon, 6 Jul 2020 15:21:32 +0200
Subject: [PATCH] empty string object instead

---
 passphrase_cache.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/passphrase_cache.cc b/passphrase_cache.cc
index 1be70b7..0027f36 100644
--- a/passphrase_cache.cc
+++ b/passphrase_cache.cc
@@ -59,7 +59,7 @@ namespace pEp {
 
     bool PassphraseCache::for_each_passphrase(const passphrase_callee& callee)
     {
-        if (callee(""))
+        if (callee(std::string()))
             return true;
 
         {