make buck/javadoc happy on JDK 17

previous versions just did print a warning, just like for other javadoc
issues, but current versions of javadoc cause a hard failure

Change-Id: Ib880128f75f44fab5f7570eb68ae32639453504a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/181239
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
Tested-by: Jenkins

BUCK

@@ -40,6 +40,12 @@ prebuilt_jar(
   visibility = ['PUBLIC'],
 )
 
+prebuilt_jar(
+  name = 'java-websocket',
+  binary_jar = 'instdir/program/classes/java_websocket.jar',
+  visibility = ['PUBLIC'],
+)
+
 zip_file(
   name = 'api',
   srcs = [

ridljar/BUCK

@@ -41,6 +41,7 @@ java_doc(
   deps = [
     '//:unoloader',
     '//:libreoffice',
+    '//:java-websocket',
   ],
   visibility = ['PUBLIC'],
 )