Don't external CBH from Ace3, use the project instead

diff --git a/.pkgmeta b/.pkgmeta
index 6c2bea3..857a832 100644
--- a/.pkgmeta
+++ b/.pkgmeta
@@ -2,7 +2,7 @@ externals:
     libs/AceConfig-3.0:
         url: svn://svn.wowace.com/wow/ace3/mainline/trunk/AceConfig-3.0/
     libs/CallbackHandler-1.0:
-        url: svn://svn.wowace.com/wow/ace3/mainline/trunk/CallbackHandler-1.0/
+        url: svn://svn.wowace.com/wow/callbackhandler/mainline/trunk/CallbackHandler-1.0
         tag: latest
     libs/AceGUI-3.0:
         url: svn://svn.wowace.com/wow/ace3/mainline/trunk/AceGUI-3.0/