msi: Return INSTALLSTATE_ADVERTISED if the component list is empty.

dlls/msi/msi.c

@@ -1270,11 +1270,7 @@ INSTALLSTATE WINAPI MsiQueryFeatureStateW(LPCWSTR szProduct, LPCWSTR szFeature)
     TRACE("rc = %d buffer = %s\n", rc, debugstr_w(components));
 
     if (!components)
-    {
-        ERR("components missing %s %s\n",
-            debugstr_w(szProduct), debugstr_w(szFeature));
-        return INSTALLSTATE_UNKNOWN;
-    }
+        return INSTALLSTATE_ADVERTISED;
 
     for( p = components; *p != 2 ; p += 20)
     {

dlls/msi/tests/msi.c

@@ -585,10 +585,7 @@ static void test_MsiQueryFeatureState(void)
     ok(res == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", res);
 
     state = MsiQueryFeatureStateA(prodcode, "feature");
-    todo_wine
-    {
-        ok(state == INSTALLSTATE_ADVERTISED, "Expected INSTALLSTATE_ADVERTISED, got %d\n", state);
-    }
+    ok(state == INSTALLSTATE_ADVERTISED, "Expected INSTALLSTATE_ADVERTISED, got %d\n", state);
 
     res = RegSetValueExA(localkey, "feature", 0, REG_SZ, (const BYTE *)"aaaaaaaaaaaaaaaaaaa", 20);
     ok(res == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", res);