patch 8.1.0145: test with grep is failing on MS-Windows

Problem:    Test with grep is failing on MS-Windows.
Solution:   Skip the test.

src/testdir/test_quickfix.vim

@@ -3457,14 +3457,17 @@ func Xautocmd_changelist(cchar)
   call assert_equal(4, line('.'))
   autocmd! QuickFixCmdPost
 
-  " Test for grep/lgrep
+  " The grepprg may not be set on non-Unix systems
-  call g:Xsetlist([], 'f')
+  if has('unix')
-  Xexpr 'Xtestfile1:2:Line2'
+    " Test for grep/lgrep
-  autocmd QuickFixCmdPost * Xolder
+    call g:Xsetlist([], 'f')
-  silent Xgrep Line5 Xtestfile2
+    Xexpr 'Xtestfile1:2:Line2'
-  call assert_equal('Xtestfile2', bufname(''))
+    autocmd QuickFixCmdPost * Xolder
-  call assert_equal(5, line('.'))
+    silent Xgrep Line5 Xtestfile2
-  autocmd! QuickFixCmdPost
+    call assert_equal('Xtestfile2', bufname(''))
+    call assert_equal(5, line('.'))
+    autocmd! QuickFixCmdPost
+  endif
 
   " Test for vimgrep/lvimgrep
   call g:Xsetlist([], 'f')

src/version.c

@@ -789,6 +789,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    145,
 /**/
     144,
 /**/