Fix Linux support

Author: wsdjeg

autoload/javaunit/util.vim

@@ -41,18 +41,13 @@ function! javaunit#util#ExecCMD(cmd)
 endfunction
 
 function! s:EscapeCMD(cmd)
+    let cmd = a:cmd
     if s:WINDOWS()
         let cmd = substitute(a:cmd,' ','\\ ','g')
         let cmd = substitute(cmd,'\','\\\','g')
         let cmd = substitute(cmd,';','\\;','g')
         let cmd = substitute(cmd, '\t', '\\t', 'g')
         let cmd = substitute(cmd,':','\\:','g')
-    else
-        let cmd = substitute(a:cmd,' ','\\ ','g')
-        let cmd = substitute(cmd,'\','\\\','g')
-        let cmd = substitute(cmd,';','\\;','g')
-        let cmd = substitute(cmd, '\t', '\\t', 'g')
-        let cmd = substitute(cmd,':','\\:','g')
     endif
     return cmd
 endfunction