[2157] avoid unnecessary keyword substitution

src/bin/auth/gen-statistics_items.py.pre.in

@@ -167,7 +167,7 @@ def generate_docfile(docfile, def_mtime):
 
     if need_generate(builddir+os.sep+docfile, def_mtime):
         doc_pre = open(srcdir+os.sep+docfile+pre_suffix, 'r')
-        doc_pre_xml = doc_pre.read().replace('@@LOCALSTATEDIR@@', localstatedir)
+        doc_pre_xml = doc_pre.read().replace('@@LOCAL'+'STATEDIR@@', localstatedir)
         doc_pre.close
 
         variable_tree = ElementTree.Element('variablelist')