Fix up batch script line endings

The new .gitattributes solve issues with Windows specific files

test/windows.cgi.cmd

@@ -1,7 +1,7 @@
-@echo off
-echo HTTP/1.1 200 OK
-echo Connection: close
-echo.
-echo CGI test:
-echo.
-set
+@echo off
+echo HTTP/1.1 200 OK
+echo Connection: close
+echo.
+echo CGI test:
+echo.
+set