Update sqlite to 3.7.3.

third_party/sqlite/src/test/fts3ag.test

Index: third_party/sqlite/src/test/fts3ag.test
diff --git a/third_party/sqlite/src/test/fts3ag.test b/third_party/sqlite/src/test/fts3ag.test
index f4f9c8f4e4966473a491e7aeaae16a1dde294ff5..18ed5ae31f5e3ef1fed24711434c3a94ad498352 100644
--- a/third_party/sqlite/src/test/fts3ag.test
+++ b/third_party/sqlite/src/test/fts3ag.test
@@ -73,11 +73,12 @@ do_test fts3ag-1.9 {
 # No support for all-except queries.
 do_test fts3ag-1.10 {
   catchsql {SELECT rowid FROM t1 WHERE t1 MATCH '-this -something'}
-} {1 {SQL logic error or missing database}}
+} {1 {malformed MATCH expression: [-this -something]}}
 
 # Test that docListOrMerge() correctly handles reaching the end of one
 # doclist before it reaches the end of the other.
 do_test fts3ag-1.11 {
+breakpoint
   execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this OR also'}
 } {1 2}
 do_test fts3ag-1.12 {