correct key recordident of sys_history

git-svn-id: https://svn.typo3.org/TYPO3v4/Core/trunk@1955 709f56b5-9817-0410-a4d7-c38de5d9e867

t3lib/stddb/tables.sql

@@ -273,9 +273,8 @@ CREATE TABLE sys_history (
   history_files mediumtext NOT NULL,
   snapshot tinyint(4) DEFAULT '0' NOT NULL,
   PRIMARY KEY (uid),
-  KEY recordident (tablename,recuid),
+  KEY recordident (tablename,recuid,tstamp),
   KEY sys_log_uid (sys_log_uid),
-  KEY recordidentAS (tablename,recuid,tstamp)
 );
 
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