Update sqlite to 3.7.3.

third_party/sqlite/sqlite.gyp

Index: third_party/sqlite/sqlite.gyp
diff --git a/third_party/sqlite/sqlite.gyp b/third_party/sqlite/sqlite.gyp
index d4d581f0a2a25ecfb96314a407c7b9c0c59b591e..0b902041bf5815fc6bb3389947a456286eb9613a 100644
--- a/third_party/sqlite/sqlite.gyp
+++ b/third_party/sqlite/sqlite.gyp
@@ -95,15 +95,18 @@
             'src/ext/fts2/fts2_tokenizer1.c',
             'src/ext/fts3/fts3.c',
             'src/ext/fts3/fts3.h',
+            'src/ext/fts3/fts3Int.h',
             'src/ext/fts3/fts3_expr.c',
             'src/ext/fts3/fts3_expr.h',
             'src/ext/fts3/fts3_hash.c',
             'src/ext/fts3/fts3_hash.h',
             'src/ext/fts3/fts3_icu.c',
             'src/ext/fts3/fts3_porter.c',
+            'src/ext/fts3/fts3_snippet.c',
             'src/ext/fts3/fts3_tokenizer.c',
             'src/ext/fts3/fts3_tokenizer.h',
             'src/ext/fts3/fts3_tokenizer1.c',
+            'src/ext/fts3/fts3_write.c',
             'src/ext/icu/icu.c',
             'src/ext/icu/sqliteicu.h',
             'src/ext/rtree/rtree.c',
@@ -121,10 +124,12 @@
             'src/src/build.c',
             'src/src/callback.c',
             'src/src/complete.c',
+            'src/src/ctime.c',
             'src/src/date.c',
             'src/src/delete.c',
             'src/src/expr.c',
             'src/src/fault.c',
+            'src/src/fkey.c',
             'src/src/func.c',
             'src/src/global.c',
             'src/src/hash.c',
@@ -187,13 +192,16 @@
             'src/src/vdbeaux.c',
             'src/src/vdbeblob.c',
             'src/src/vdbemem.c',
+            'src/src/vdbetrace.c',
             'src/src/vtab.c',
+            'src/src/wal.c',
+            'src/src/wal.h',
             'src/src/walker.c',
             'src/src/where.c',
           ],
           'sources/': [
             ['exclude', '^src/ext/(fts1|rtree)/'],
-            ['exclude', '(symbian|os2|noop)\\.cc?$'],
+            ['exclude', '(symbian|os2)\\.cc?$'],
           ],
           'sources!': [
             'src/src/journal.c',
@@ -201,6 +209,7 @@
           ],
           'include_dirs': [
             'preprocessed',
+            'src/ext/fts3',
             'src/ext/icu',
             'src/src',
           ],