Fixed broken GO button in compact paginator (when javascript is off) -- problem was...

Fixed broken GO button in compact paginator (when javascript is off) -- problem was that startMessage was already in <form> action attribute, so naming the <select> widget startMessage was incorrect, and a compounding issue was that there were two <select> widgets with the same name.  Whew.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@12055 7612ce4b-ef26-0410-bec9-ea0150e637f0