fix mingw64 build and Clang warnings

CMakeLists.txt

@@ -2903,7 +2903,7 @@ if(TargetBin)
 		add_executable(${TargetBin} WIN32 ${NativeAppSource})
 		if(NOT MSVC)
 			target_compile_options(${TargetBin} PRIVATE $<$<CXX_COMPILER_ID:Clang>:-Wno-c++11-narrowing>)
-			target_link_libraries(${TargetBin} Version Dwmapi)
+			target_link_libraries(${TargetBin} Version Dwmapi Avrt)
 		endif()
 		set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT ${TargetBin})
 	else()

Windows/WASAPIContext.cpp

@@ -6,7 +6,6 @@
 #include <comdef.h>
 #include <atomic>
 #include <thread>
-#include <iostream>
 #include <vector>
 #include <string_view>
 
@@ -141,7 +140,7 @@ bool WASAPIContext::InitOutputDevice(std::string_view uniqueId, LatencyMode late
 			nullptr
 		);
 		if (FAILED(result)) {
-			printf("Error initializing shared audio stream: %08x", result);
+			printf("Error initializing shared audio stream: %08lx", result);
 			audioClient3_->Release();
 			device->Release();
 			audioClient3_ = nullptr;

Windows/WASAPIContext.h

@@ -22,9 +22,9 @@ public:
 		userdata_ = userdata;
 	}
 
-	void EnumerateDevices(std::vector<AudioDeviceDesc> *outputDevices, bool captureDevices = false);
+	void EnumerateDevices(std::vector<AudioDeviceDesc> *outputDevices, bool captureDevices = false) override;
 
-	bool InitOutputDevice(std::string_view uniqueId, LatencyMode latencyMode, bool *revertedToDefault);
+	bool InitOutputDevice(std::string_view uniqueId, LatencyMode latencyMode, bool *revertedToDefault) override;
 
 	void FrameUpdate(bool allowAutoChange) override;