More NEWS.
diff --git a/NEWS b/NEWS
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--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,6 @@
Version 2.4.0 - May 3, 2012
+- Only show longpoll warning once when it has failed.
- Convert hashes to an unsigned long long as well.
- Detect pools that have issues represented by endless rejected shares and
disable them, with a parameter to optionally disable this feature.