mshtml/tests: Avoid an http -> https redirection.

dlls/mshtml/tests/events.c

@@ -1844,7 +1844,7 @@ static void test_imgload(IHTMLDocument2 *doc)
     ok(V_DISPATCH(&v) == (IDispatch*)&img_onerror_obj, "V_DISPATCH(onerror) != onerrorFunc\n");
     VariantClear(&v);
 
-    str = a2bstr("http://www.winehq.org/images/winehq_logo_text.png");
+    str = a2bstr("https://www.winehq.org/images/winehq_logo_text.png");
     hres = IHTMLImgElement_put_src(img, str);
     ok(hres == S_OK, "put_src failed: %08x\n", hres);
     SysFreeString(str);