Update last release letter for CHANGES and NEWS

Reviewed-by: NRichard Levitte <levitte@openssl.org>

CHANGES

@@ -7,7 +7,7 @@
  https://github.com/openssl/openssl/commits/ and pick the appropriate
  release branch.
 
- Changes between 1.1.0f and 1.1.1 [xx XXX xxxx]
+ Changes between 1.1.0g and 1.1.1 [xx XXX xxxx]
 
   *) Support for TLSv1.3 added. Note that users upgrading from an earlier
      version of OpenSSL should review their configuration settings to ensure

NEWS

@@ -5,7 +5,7 @@
   This file gives a brief overview of the major changes between each OpenSSL
   release. For more details please read the CHANGES file.
 
-  Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.1 [under development]
+  Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.1 [under development]
 
       o Support for TLSv1.3 added
       o Move the display of configuration data to configdata.pm.