[gtk-doc] mkhtml2: fix append_text calls that missed 'ctx'

[Stefan Sauer <stefkost src gnome org>]

commit 37967b83c2762deafa759f58a8cd89ddd333a9e2
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed May 2 20:06:59 2018 +0200

    mkhtml2: fix append_text calls that missed 'ctx'

 gtkdoc/mkhtml2.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtkdoc/mkhtml2.py b/gtkdoc/mkhtml2.py
index b98f1ac..4776174 100644
--- a/gtkdoc/mkhtml2.py
+++ b/gtkdoc/mkhtml2.py
@@ -547,9 +547,9 @@ def convert_formalpara(ctx, xml):
     title_tag = xml.find('title')
     result = ['<p><b>%s</b>' % ''.join(convert_title(ctx, title_tag))]
     para_tag = xml.find('para')
-    append_text(para_tag.text, result)
+    append_text(ctx, para_tag.text, result)
     convert_inner(ctx, para_tag, result)
-    append_text(para_tag.tail, result)
+    append_text(ctx, para_tag.tail, result)
     result.append('</p>')
     append_text(ctx, xml.tail, result)
     return result