update asyncrun.vim

Author: skywind3000

plugin/asyncrun.vim

@@ -3,7 +3,7 @@
 " Maintainer: skywind3000 (at) gmail.com, 2016-2023
 " Homepage: https://github.com/skywind3000/asyncrun.vim
 "
-" Last Modified: 2023/08/03 12:59
+" Last Modified: 2023/08/03 13:04
 "
 " Run shell command in background and output to quickfix:
 "     :AsyncRun[!] [options] {cmd} ...
@@ -1441,6 +1441,12 @@ function! s:terminal_open(opts)
 					echohl None
 				endtry
 			endif
+			if has_key(a:opts, 'ft')
+				let ft = get(a:opts, 'ft', '')
+				if ft != ''
+					exec 'setlocal ft='. ft
+				endif
+			endif
 		endif
 	endif
 	return pid