revert 120733, wrong branch

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@120734 65c4cc65-6c06-0410-ace0-fbb531ad65f3

UPGRADE-1.2.txt

@@ -3,7 +3,8 @@
 ===
 ===
 === UPGRADE-1.2.txt -- Upgrade info for 1.0 to 1.2
-=== UPGRADE.txt -- Upgrade info for 1.2 to 1.4
+=== UPGRADE-1.4.txt -- Upgrade info for 1.2 to 1.4
+=== UPGRADE.txt     -- Upgrade info for 1.4 to 1.6
 =========================================================
 
 Compiling: