refactor: move ScopedLockBool from header to cpp file

src/governance/governance.cpp

@@ -33,6 +33,25 @@ const std::string GovernanceStore::SERIALIZATION_VERSION_STRING = "CGovernanceMa
 const int CGovernanceManager::MAX_TIME_FUTURE_DEVIATION = 60 * 60;
 const int CGovernanceManager::RELIABLE_PROPAGATION_TIME = 60;
 
+namespace {
+class ScopedLockBool
+{
+    bool& ref;
+    bool fPrevValue;
+
+public:
+    ScopedLockBool(RecursiveMutex& _cs, bool& _ref, bool _value) :
+        ref(_ref)
+    {
+        AssertLockHeld(_cs);
+        fPrevValue = ref;
+        ref = _value;
+    }
+
+    ~ScopedLockBool() { ref = fPrevValue; }
+};
+} // anonymous namespace
+
 GovernanceStore::GovernanceStore() :
     cs(),
     mapObjects(),

src/governance/governance.h

@@ -231,26 +231,6 @@ private:
     using hash_s_t = std::set<uint256>;
     using db_type = CFlatDB<GovernanceStore>;
 
-    class ScopedLockBool
-    {
-        bool& ref;
-        bool fPrevValue;
-
-    public:
-        ScopedLockBool(RecursiveMutex& _cs, bool& _ref, bool _value) :
-            ref(_ref)
-        {
-            AssertLockHeld(_cs);
-            fPrevValue = ref;
-            ref = _value;
-        }
-
-        ~ScopedLockBool()
-        {
-            ref = fPrevValue;
-        }
-    };
-
 private:
     static const int MAX_TIME_FUTURE_DEVIATION;
     static const int RELIABLE_PROPAGATION_TIME;