mshtml: Added IOmNavigator::get_platform implementation.

dlls/mshtml/omnavigator.c

@@ -237,8 +237,13 @@ static HRESULT WINAPI OmNavigator_get_userLanguage(IOmNavigator *iface, BSTR *p)
 static HRESULT WINAPI OmNavigator_get_platform(IOmNavigator *iface, BSTR *p)
 {
     OmNavigator *This = OMNAVIGATOR_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+
+    static const WCHAR win32W[] = {'W','i','n','3','2',0};
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    *p = SysAllocString(win32W);
+    return S_OK;
 }
 
 static HRESULT WINAPI OmNavigator_get_appMinorVersion(IOmNavigator *iface, BSTR *p)

dlls/mshtml/tests/dom.c

@@ -1845,6 +1845,12 @@ static void test_navigator(IHTMLDocument2 *doc)
     ok(!strcmp_wa(bstr, "Mozilla"), "Unexpected appCodeName %s\n", dbgstr_w(bstr));
     SysFreeString(bstr);
 
+    bstr = NULL;
+    hres = IOmNavigator_get_platform(navigator, &bstr);
+    ok(hres == S_OK, "get_appMinorVersion failed: %08x\n", hres);
+    ok(!strcmp_wa(bstr, "Win32"), "unexpected platform %s\n", dbgstr_w(bstr));
+    SysFreeString(bstr);
+
     ref = IOmNavigator_Release(navigator);
     ok(!ref, "navigator should be destroyed here\n");
 }