(backslash): Use .\foo instead of \.foo so we

don't tramp on root directory in MSDOS/Windows.
Suggestion from Eli Zaretskii.

diff --git a/tests/md5sum/basic-1 b/tests/md5sum/basic-1
index f38ba18..36add5a 100755 (executable)
--- a/tests/md5sum/basic-1
+++ b/tests/md5sum/basic-1
@@ -34,8 +34,8 @@ my @Tests =
                                {OUT=>"d174ab98d277d9f5a5611c2c9f419d9f  f\n"}],
      ['7', {IN=> {f=> '1234567890' x 8}},
                                {OUT=>"57edf4a22be3c955ac49da2e2107b67a  f\n"}],
-     ['backslash', {IN=> {"\\.foo"=> ''}},
-                               {OUT=>"\\$degenerate  \\\\.foo\n"}],
+     ['backslash', {IN=> {".\\foo"=> ''}},
+                               {OUT=>"\\$degenerate  .\\\\foo\n"}],
      ['newline', {IN=> {"a\nb"=> ''}},
                                {OUT=>"\\$degenerate  a\\nb\n"}],
     );