search: clear the existing answer when starting a new search
Benno Schulenberg authored
When doing for example: ^W xx ^R ^C ^W, the "xx" would again be shown
after the prompt.  This is wrong -- when starting a new search, the
current answer should be empty.
Reported-by: default avatarMarco Diego Aurélio Mesquita <marcodiegomesquita@gmail.com>
d865d7ac