preparing release 2.5.7 updated and rebuilt the docs fixed the script

* NEWS configure.in: preparing release 2.5.7
* doc/*: updated and rebuilt the docs
* doc/apibuild.py: fixed the script
Daniel
diff --git a/doc/apibuild.py b/doc/apibuild.py
index f0308bc..b80809b 100755
--- a/doc/apibuild.py
+++ b/doc/apibuild.py
@@ -22,9 +22,9 @@
   "acconfig.h": "generated portability layer",
   "config.h": "generated portability layer",
   "libxml.h": "internal only",
-  "testOOM.c": "out of memory tester"
-  "testOOMlib.h": "out of memory tester"
-  "testOOMlib.c": "out of memory tester"
+  "testOOM.c": "out of memory tester",
+  "testOOMlib.h": "out of memory tester",
+  "testOOMlib.c": "out of memory tester",
 }
 
 ignored_words = {