From fa73493930e35850e877725167dc9d42e47015c8 Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Thu, 9 Jul 2020 13:21:42 +0200
Subject: [PATCH] refactor: Use C++11 range-based for loop

---
 src/wallet/bdb.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/wallet/bdb.cpp b/src/wallet/bdb.cpp
index 5f823d5906..54a9aa34e0 100644
--- a/src/wallet/bdb.cpp
+++ b/src/wallet/bdb.cpp
@@ -623,8 +623,8 @@ bool BerkeleyDatabase::PeriodicFlush()
     if (!lockDb) return false;
 
     // Don't flush if any databases are in use
-    for (auto it = env->mapFileUseCount.begin() ; it != env->mapFileUseCount.end(); it++) {
-        if ((*it).second > 0) return false;
+    for (const auto& use_count : env->mapFileUseCount) {
+        if (use_count.second > 0) return false;
     }
 
     // Don't flush if there haven't been any batch writes for this database.