Bitset: Make bool() operator explicit.

Source/Core/Common/BitSet.h

@@ -164,8 +164,7 @@ public:
 	BitSet& operator|=(BitSet other) { return *this = *this | other; }
 	BitSet& operator&=(BitSet other) { return *this = *this & other; }
 	BitSet& operator^=(BitSet other) { return *this = *this ^ other; }
-	operator u32() const = delete;
-	operator bool() const { return m_val != 0; }
+	explicit operator bool() const { return m_val != 0; }
 
 	// Warning: Even though on modern CPUs this is a single fast instruction,
 	// Dolphin's official builds do not currently assume POPCNT support on x86,

Source/Core/Common/Logging/LogManager.h

@@ -75,7 +75,7 @@ public:
 
 	void SetLevel(LogTypes::LOG_LEVELS level) { m_level = level; }
 
-	bool HasListeners() const { return m_listener_ids; }
+	bool HasListeners() const { return bool(m_listener_ids); }
 
 	typedef class BitSet32::Iterator iterator;
 	iterator begin() const { return m_listener_ids.begin(); }