fix build

Author: xabbuh

components/intl.rst

@@ -390,7 +390,7 @@ Emoji Transliteration
     The ``EmojiTransliterator`` class provides a utility to translate emojis into
     their textual representation in all languages based on the Unicode CLDR dataset.
 
-Discover all the available Emoji manipulations in the :doc:`component documentation </components/emoji>`.
+Discover all the available Emoji manipulations in the :ref:`component documentation <working-with-emojis>`.
 
 Disk space
 ----------

components/string.rst

@@ -507,6 +507,8 @@ requested during the program execution. You can also create lazy strings from a
     // hash computation only if it's needed
     $lazyHash = LazyString::fromStringable(new Hash());
 
+.. _working-with-emojis:
+
 Working with Emojis
 -------------------