Parameterize window name

Define another variable for window name.

src/main.c

@@ -4,7 +4,7 @@ LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 
 int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
 										PWSTR pCmdLine, int nCmdShow) {
-
+	LPCWSTR windowName = L"Window";
 	MSG msg;
 	HWND hwnd;
 	WNDCLASSW wc = {
@@ -21,7 +21,7 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
 	};
 
 	RegisterClassW(&wc);
-	hwnd = CreateWindowW(wc.lpszClassName, L"Window",
+	hwnd = CreateWindowW(wc.lpszClassName, windowName,
 											 WS_OVERLAPPEDWINDOW | WS_VISIBLE,
 											 100, 100, 350, 250, NULL, NULL, hInstance, NULL);