[newlib-cygwin/cygwin-3_5-branch] Cygwin: Document several fixes for signal handling in release note

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=db55d548e395c5b9979b9842a2148a390968fb32

commit db55d548e395c5b9979b9842a2148a390968fb32
Author:     Takashi Yano <takashi.yano@nifty.ne.jp>
AuthorDate: Tue Nov 26 13:56:51 2024 +0900
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Fri Dec 6 11:43:30 2024 +0100

    Cygwin: Document several fixes for signal handling in release note
    
    (cherry picked from commit cfadd852aa5787eb29403efc75bfa637028bfd40)

Diff:
---
 winsup/cygwin/release/3.5.5 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/winsup/cygwin/release/3.5.5 b/winsup/cygwin/release/3.5.5
index 7eece3bbdb56..e99739241c18 100644
--- a/winsup/cygwin/release/3.5.5
+++ b/winsup/cygwin/release/3.5.5
@@ -57,3 +57,7 @@ Fixes:
 
 - Fix losing signals during setjmp/longjmp.
   Addresses: https://cygwin.com/pipermail/cygwin/2024-November/256808.html
+
+- Fix several problems triggered when a lot of SIGSTOP/SIGCONT signals
+  are received rapidly.
+  Addresses: https://cygwin.com/pipermail/cygwin/2024-November/256744.html