patch 8.2.0692: startup test fails on MS-Windows

Problem:    Startup test fails on MS-Windows.
Solution:   Allow for any path.
diff --git a/src/testdir/test_startup.vim b/src/testdir/test_startup.vim
index ff3510e..fe93eab 100644
--- a/src/testdir/test_startup.vim
+++ b/src/testdir/test_startup.vim
@@ -274,7 +274,7 @@
   call assert_equal("  verbose=0\n", out)
 
   let out = system(GetVimCommand() . ' --clean -es -X -V2 -c "set verbose?" -cq')
-  call assert_match("sourcing \"$VIMRUNTIME[\\/]defaults\.vim\"\r\nline \\d\\+: sourcing \"[\\./]*runtime[\\/]filetype\.vim\".*\n", out)
+  call assert_match("sourcing \"$VIMRUNTIME[\\/]defaults\.vim\"\r\nline \\d\\+: sourcing \"[^\"]*runtime[\\/]filetype\.vim\".*\n", out)
   call assert_match("  verbose=2\n", out)
 
   let out = system(GetVimCommand() . ' --clean -es -X -V15 -c "set verbose?" -cq')