Import SQLite 3.7.6.3.

third_party/sqlite/src/test/corrupt4.test

Index: third_party/sqlite/src/test/corrupt4.test
diff --git a/third_party/sqlite/src/test/corrupt4.test b/third_party/sqlite/src/test/corrupt4.test
index 952df70fdbce60f11bb6cd155509397ecec8d80e..19061134f6563b0315f02016158f6523b69acc1b 100644
--- a/third_party/sqlite/src/test/corrupt4.test
+++ b/third_party/sqlite/src/test/corrupt4.test
@@ -18,6 +18,11 @@
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
+# Do not use a codec for tests in this file, as the database file is
+# manipulated directly using tcl scripts (using the [hexio_write] command).
+#
+do_not_use_codec
+
 # We must have the page_size pragma for these tests to work.
 #
 ifcapable !pager_pragmas {