Fix sphinx-build warning.

RemovedInSphinx40Warning: app.add_lexer() API changed; Please give lexer class instead of instance

gcc/ada/ChangeLog:

	* doc/share/conf.py: Fix Sphinx 4.0.x error.

diff --git a/gcc/ada/doc/share/conf.py b/gcc/ada/doc/share/conf.py
index 755c3a6..0f7f963 100644 (file)
--- a/gcc/ada/doc/share/conf.py
+++ b/gcc/ada/doc/share/conf.py
@@ -144,5 +144,5 @@ texinfo_documents = [
 
 
 def setup(app):
-    app.add_lexer('ada', ada_pygments.AdaLexer())
-    app.add_lexer('gpr', ada_pygments.GNATProjectLexer())
+    app.add_lexer('ada', ada_pygments.AdaLexer)
+    app.add_lexer('gpr', ada_pygments.GNATProjectLexer)