contrib/vim: Support reloading filetype detection
Merge Gentoo patch. Thanks to Amadeusz Żołnowski and Wolfram Schlich.
"
" Save this file in your ~/.vim/ftdetect/ folder
function! MCabber_log_ftdetect()
if getline(1) =~ '^\u. \d\{8}T\d\d:\d\d:\d\dZ \d\{3} '
setlocal filetype=mcabber_log
endif
endfunction
autocmd BufRead */*mcabber/histo/* call MCabber_log_ftdetect()