fixed: shallslash issue in NeoVim

plugin/asyncrun.vim

@@ -3,7 +3,7 @@
 " Maintainer: skywind3000 (at) gmail.com, 2016-2024
 " Homepage: https://github.com/skywind3000/asyncrun.vim
 "
-" Last Modified: 2024/05/22 00:55
+" Last Modified: 2024/05/23 01:31
 "
 " Run shell command in background and output to quickfix:
 "     :AsyncRun[!] [options] {cmd} ...
@@ -843,7 +843,14 @@ function! s:AsyncRun_Job_Start(cmd)
 				let l:callbacks.stdin = 'null'
 			endif
 		endif
+		let l:slash = &shellslash
+		if l:slash
+			set noshellslash
+		endif
 		let s:async_job = jobstart(l:args, l:callbacks)
+		if l:slash
+			set shellslash
+		endif
 		let l:success = (s:async_job > 0)? 1 : 0
 		if l:success != 0
 			if s:async_info.range > 0
@@ -2308,7 +2315,7 @@ endfunc
 " asyncrun - version
 "----------------------------------------------------------------------
 function! asyncrun#version()
-	return '2.12.8'
+	return '2.12.9'
 endfunc