QUIC: removed unnecessary closing of active/backup sockets. All open sockets are stored in a queue. There is no need to close some of them separately. If it happens that active and backup point to same socket, double close may happen (leading to possible segfault).

if exists("b:did_indent")
    finish
endif
let b:did_indent = 1

setlocal indentexpr=

" cindent actually works for nginx' simple file structure
setlocal cindent
" Just make sure that the comments are not reset as defs would be.
setlocal cinkeys-=0#