[newlib-cygwin] Cygwin: add strtod fix to release notes

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8a91646183b3b436d620e9b4b5bec67133101c3a

commit 8a91646183b3b436d620e9b4b5bec67133101c3a
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Mon Apr 9 11:48:33 2018 +0200

    Cygwin: add strtod fix to release notes
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/release/2.10.1 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/winsup/cygwin/release/2.10.1 b/winsup/cygwin/release/2.10.1
index c08d102..1b7adcb 100644
--- a/winsup/cygwin/release/2.10.1
+++ b/winsup/cygwin/release/2.10.1
@@ -13,3 +13,7 @@ Bug Fixes
 
 - Fix utils path handling in case cygdrive path is just '/'.
   Addresses: https://cygwin.com/ml/cygwin/2018-02/msg00174.html
+
+- Fix a potential SIGFPE in strtod, if FE_INVALID exceptions are
+  enabled.
+  Addresses: https://cygwin.com/ml/cygwin/2018-04/msg00055.html