[newlib-cygwin] Belatedly create release notes for commits 2f4fef9 and 9471b0b

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=a4d1cb105366a0fc697d8b682229ca65b7cffeed commit a4d1cb105366a0fc697d8b682229ca65b7cffeed Author: Corinna Vinschen Date: Fri Nov 27 15:56:01 2015 +0100 Belatedly create release notes for commits 2f4fef9 and 9471b0b Diff: --- wins

[newlib-cygwin] Fix race condition when waiting for a signal

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c43e9340f1bebe97d8e8ea683ec7f2bf911b5a85 commit c43e9340f1bebe97d8e8ea683ec7f2bf911b5a85 Author: Corinna Vinschen Date: Fri Nov 27 14:39:11 2015 +0100 Fix race condition when waiting for a signal * cygtls.h (_cygt