bug#23007: 24.5; buggy interactive search with middle click

[npostavs]

Drew Adams <drew.adams@oracle.com> writes:

>> > +      (let ((overriding-terminal-local-map nil))
>> > +        (setq binding (key-binding (this-command-keys-vector) t)))
>> 
>> IMO, it would be better style to do something like
>> 
>> (let ((binding (let ((overriding-terminal-local-map nil))
>>                  (key-binding (this-command-keys-vector) t))))
>>   ...)
>  
> (let* ((overriding-terminal-local-map nil)
>        (binding (key-binding (this-command-keys-vector) t)))
>   ...)

Check https://debbugs.gnu.org/cgi/bugreport.cgi?bug=23007#8, we need to
avoid binding `overriding-terminal-local-map' in "...".