Fix: removing device with baudrate specified

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@692 2b470e98-0d58-463d-a4d8-8e2adae1ed80

FHEM/00_CUL.pm

@@ -906,6 +906,7 @@ CUL_CloseDev($)
     delete($hash->{USBDev});
 
   }
+  ($dev, undef) = split("@", $dev); # Remove the baudrate
   delete($selectlist{"$name.$dev"});
   delete($readyfnlist{"$name.$dev"});
   delete($hash->{FD});