[newlib-cygwin/main] Bump newlib version in the manual to 4.3.0

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=544aa97f860ed97f609cccefee7bdef87bca3f68

commit 544aa97f860ed97f609cccefee7bdef87bca3f68
Author:     Tobias Burnus <tobias@codesourcery.com>
AuthorDate: Thu Mar 30 11:09:33 2023 +0200
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Thu Mar 30 14:09:30 2023 +0200

    Bump newlib version in the manual to 4.3.0
    
    While commit 9e09d6ed8 (tag: newlib-4.3.0) bumped the newlib version to 4.3.0,
    this commit updates the version/date in the libc/libm manuals to match.

Diff:
---
 newlib/libc/libc.texi | 4 ++--
 newlib/libm/libm.texi | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/newlib/libc/libc.texi b/newlib/libc/libc.texi
index 72328e148bf6..acb6afb5b543 100644
--- a/newlib/libc/libc.texi
+++ b/newlib/libc/libc.texi
@@ -69,8 +69,8 @@ into another language, under the above conditions for modified versions.
 @title The Red Hat newlib C Library
 @subtitle Full Configuration
 @sp 1
-@subtitle @code{libc} 2.5.0
-@subtitle December 2016
+@subtitle @code{libc} 4.3.0
+@subtitle January 2023
 @author {Steve Chamberlain}
 @author {Roland Pesch}
 @author {Red Hat Support}
diff --git a/newlib/libm/libm.texi b/newlib/libm/libm.texi
index 779615d32607..d3ca9ae3c433 100644
--- a/newlib/libm/libm.texi
+++ b/newlib/libm/libm.texi
@@ -46,8 +46,8 @@ into another language, under the above conditions for modified versions.
 @titlepage
 @title The Red Hat newlib C Math Library
 @sp 1
-@subtitle @code{libm} 2.5.0
-@subtitle December 2016
+@subtitle @code{libm} 4.3.0
+@subtitle January 2023
 @author {Steve Chamberlain}
 @author {Roland Pesch}
 @author {Red Hat Support}