3870: [NarWeb] Reference name to Source incorrectly displayed as "unknown"

svn: r15888

src/plugins/webreport/NarrativeWeb.py

@@ -3490,6 +3490,7 @@ class SourcePage(BasePage):
             return
 
         BasePage.__init__(self, report, title, source.gramps_id)
+        self.page_title = source.get_title()
         inc_repos = self.report.options["inc_repository"]
 
         of = self.report.create_file(source.get_handle(), "src")