Get `gn gen` to succeed on Windows

third_party/sqlite/src/test/tkt3791.test

+# 2009 April 2
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# Ticket #3791:  A segfault when inserting into a table that contains
+# an arbitrary expression as its default value.
+#
+# $Id: tkt3791.test,v 1.1 2009/04/08 12:21:31 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt3791-1.1 {
+  db eval {
+    CREATE TABLE t1(x, y DEFAULT(datetime('now')));
+    INSERT INTO t1(x) VALUES(1);
+    SELECT x, length(y) FROM t1;
+  }
+} {1 19}
+
+finish_test