msi: Remove shortcut which calls RegEnumValueW with value and val_count as NULL.

dlls/msi/source.c

@@ -258,13 +258,6 @@ UINT WINAPI MsiSourceListEnumMediaDisksW(LPCWSTR szProductCodeOrPatchCode,
         return ERROR_NO_MORE_ITEMS;
     }
 
-    if (!pcchVolumeLabel && !pcchDiskPrompt)
-    {
-        r = RegEnumValueW(media, dwIndex, NULL, NULL, NULL,
-                          &type, NULL, NULL);
-        goto done;
-    }
-
     res = RegQueryInfoKeyW(media, NULL, NULL, NULL, NULL, NULL,
                            NULL, &numvals, &valuesz, &datasz, NULL, NULL);
     if (res != ERROR_SUCCESS)

dlls/msi/tests/source.c

@@ -2896,7 +2896,6 @@ static void test_MsiSourceListEnumMediaDisks(void)
                                       NULL, NULL);
     ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
     ok(!lstrcmpA(label, "aaa"), "Expected \"aaa\", got \"%s\"\n", label);
-    todo_wine
     ok(id == 1, "Expected 1, got %d\n", id);
 
     /* szVolumeLabel, pcchVolumeLabel, szDiskPrompt and pcchDiskPrompt are NULL */
@@ -2905,7 +2904,6 @@ static void test_MsiSourceListEnumMediaDisks(void)
                                       MSICODE_PRODUCT, 0, &id, NULL, NULL,
                                       NULL, NULL);
     ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
-    todo_wine
     ok(id == 1, "Expected 1, got %d\n", id);
 
     /* pcchVolumeLabel is exactly 5 */