Fix MinGW C++ UUID

Author: AlbertShown

GNUmakefile

@@ -65,7 +65,7 @@ ifeq ($(DETECTED_OS),Windows)
 	LIB_DYN_OUT := $(WEBUI_OUT_LIB_NAME).dll
 	LWS2_OPT := -lws2_32 -lole32
 	WIN32_WV2_OBJ := win32_wv2.o
-	CPP_FLAGS := -lstdc++
+	CPP_FLAGS := -lstdc++ -luuid
 	CIVETWEB_DEFINE_FLAGS += -DMUST_IMPLEMENT_CLOCK_GETTIME
 	CXX ?= g++
 else ifeq ($(DETECTED_OS),Darwin)

src/webview/win32_wv2.cpp

@@ -101,7 +101,7 @@ class WebView2Instance {
         HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject) override {
             if (!ppvObject) return E_POINTER;
             *ppvObject = nullptr;
-            if (riid == IID_IUnknown || riid == __uuidof(ICoreWebView2DocumentTitleChangedEventHandler)) {
+            if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_ICoreWebView2DocumentTitleChangedEventHandler)) {
                 *ppvObject = static_cast<ICoreWebView2DocumentTitleChangedEventHandler*>(this);
                 AddRef();
                 return S_OK;
@@ -181,7 +181,7 @@ class WebView2Instance {
         HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject) override {
             if (!ppvObject) return E_POINTER;
             *ppvObject = nullptr;
-            if (riid == IID_IUnknown || riid == __uuidof(ICoreWebView2CreateCoreWebView2ControllerCompletedHandler)) {
+            if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_ICoreWebView2CreateCoreWebView2ControllerCompletedHandler)) {
                 *ppvObject = static_cast<ICoreWebView2CreateCoreWebView2ControllerCompletedHandler*>(this);
                 AddRef();
                 return S_OK;
@@ -258,7 +258,7 @@ class WebView2Instance {
         HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject) override {
             if (!ppvObject) return E_POINTER;
             *ppvObject = nullptr;
-            if (riid == IID_IUnknown || riid == __uuidof(ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler)) {
+            if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler)) {
                 *ppvObject = static_cast<ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*>(this);
                 AddRef();
                 return S_OK;