IndexedDB: Replace int64 with int64_t
https://bugs.webkit.org/show_bug.cgi?id=106189

Patch by Michael Pruett <michael@68k.org> on 2013-01-05
Reviewed by Sam Weinig.

Cleaning up coding inconsistencies, no change in behavior.

Tests: storage/indexeddb/*

* Modules/indexeddb/IDBDatabaseBackendImpl.cpp:
(WebCore::GetOperation::create):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138914 268f45cc-cd09-0410-ab3c-d52691b4dbfc