[general-journal.scm] allow General/Title to render document title.

Previously would always override title with "General Journal". Modify
so that Report Title is set by default to "General Journal", but is
modifiable and will be rendered appropriately by the renderer.

gnucash/report/reports/standard/general-journal.scm

@@ -102,16 +102,15 @@
       (list (N_ "Running Balance") #f)
       (list (N_ "Totals") #f)))
 
+    (set-option! gnc:pagename-general "Title" (G_ reportname))
     options))
 
 ;; report renderer
 
 (define (general-journal-renderer report-obj)
   ;; just delegate rendering to the Register Report renderer...
-  (let* ((renderer (gnc:report-template-renderer/report-guid regrptguid #f))
-         (doc (renderer report-obj)))
-    (gnc:html-document-set-title! doc (G_ reportname))
-    doc))
+  (let ((renderer (gnc:report-template-renderer/report-guid regrptguid #f)))
+    (renderer report-obj)))
 
 (gnc:define-report
  'version 1