Update sqlite to 3.7.3.

third_party/sqlite/src/test/corrupt6.test

Index: third_party/sqlite/src/test/corrupt6.test
diff --git a/third_party/sqlite/src/test/corrupt6.test b/third_party/sqlite/src/test/corrupt6.test
index 2fed806ce4c986a24a8bca3104580efa6d0796c0..c0dcedf3d9f66d5157861197571de2aaa4357135 100644
--- a/third_party/sqlite/src/test/corrupt6.test
+++ b/third_party/sqlite/src/test/corrupt6.test
@@ -19,6 +19,11 @@
 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 {