[newlib-cygwin] fix version typo

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=166914ea8c86b5e569a5fef226e602a4d279897b

commit 166914ea8c86b5e569a5fef226e602a4d279897b
Author: Mark Geisert <mark@maxrnd.com>
Date:   Fri Nov 30 22:14:00 2018 -0800

    fix version typo

Diff:
---
 winsup/doc/new-features.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index e3786e5..7cc4497 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -4,7 +4,7 @@
 
 <sect1 id="ov-new"><title>What's new and what changed in Cygwin</title>
 
-<sect2 id="ov-new2.11"><title>What's new and what changed in 2.12</title>
+<sect2 id="ov-new2.12"><title>What's new and what changed in 2.12</title>
 
 <itemizedlist mark="bullet">