Fix wapp_uuid_gen_uuid4 for C++

VERSION

@@ -1 +1 @@
-1.0.1
+1.0.2

src/uuid/uuid.h

@@ -22,7 +22,14 @@ struct WUUID {
 
 // TODO (Abdelrahman): Update UUID implementation to work properly with C++ and tests for validation
 
+#ifdef WAPP_PLATFORM_CPP
+#define wapp_uuid_gen_uuid4() ([&](){           \
+	wapp_persist WUUID uuid = wapp_uuid_create(); \
+	return *(wapp_uuid_init_uuid4(&uuid))         \
+})
+#else
 #define wapp_uuid_gen_uuid4() *(wapp_uuid_init_uuid4(&wapp_uuid_create()))
+#endif
 
 /* Low level UUID API */