Add Okinawan (ryu) to Names.php

Bug: T307080
Change-Id: I0529738fac9d0aa198b06d0991132bf62f43dd81

RELEASE-NOTES-1.39

@@ -88,6 +88,7 @@ MediaWiki supports over 350 languages. Many localisations are updated regularly.
 Below only new and removed languages are listed, as well as changes to languages
 because of Phabricator reports.
 
+* (T307080) Added language support for Okinawan (ryu).
 * (T304920) In Swahili, The "Media" namespace is now "Media", as in English,
   and the "File" namespace is now "Faili". The old name of the "File" namespace
   was "Picha", and it's kept for backwards compatibility. If you manage a wiki

includes/languages/data/Names.php

@@ -398,6 +398,7 @@ class Names {
 		# 'ruq-grek' => 'Βλαεστε', # Megleno-Romanian (Greek script)
 		'ruq-latn' => 'Vlăheşte', # Megleno-Romanian (Latin script)
 		'rw' => 'Ikinyarwanda', # Kinyarwanda
+		'ryu' => 'うちなーぐち', # Okinawan
 		'sa' => 'संस्कृतम्', # Sanskrit
 		'sah' => 'саха тыла', # Sakha
 		'sat' => 'ᱥᱟᱱᱛᱟᱲᱤ', # Santali