cygwin: document lrint bugfix

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

diff --git a/winsup/cygwin/release/2.8.1 b/winsup/cygwin/release/2.8.1
index aa486d0948e65b4b37cb348ede41e9ace6f5cbe9..90b5a66b54688288a5c87b9e616287deb02e77a9 100644 (file)
--- a/winsup/cygwin/release/2.8.1
+++ b/winsup/cygwin/release/2.8.1
@@ -33,3 +33,6 @@ Bug Fixes
 
 - Fix crash if env var name starts with non-ASCII char
   Addresses: https://cygwin.com/ml/cygwin/2017-05/msg00330.html
+
+- Fix return value of lrint{f,l} on x86_64 Cygwin.
+  Addresses: https://cygwin.com/ml/cygwin/2017-05/msg00388.html