* Fixed OPENR2 using an incorrect string value if the extension
delimiter is not present in the Dial() function. This was fixed for
SS7 and PRI in trunk -r172400.
* Made OPENR2 stripmsd behavior the same as the SS7, PRI, and others.
* Removed trailing whitespace that appeared with OPENR2.
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@182408 65c4cc65-6c06-0410-ace0-fbb531ad65f3