SPDY: avoid sending RST_STREAM on WINDOW_UPDATE with unknown SID. There's a race condition between closing a stream by one endpoint and sending a WINDOW_UPDATE frame by another. So it would be better to just skip such frames for unknown streams, like is already done for the DATA frames.

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#