translate "bEnde" variable

Change-Id: Ic29b569df25f8966326101d5179506b24483cb43
covertiy#705369: dbaccess: move XML_TOK_ENCODING to enum XMLDataSourceInfo

Looks like Commit 94e8385d56098b6a51c539b5374dbf03151d2559 added this
to the wrong enum.

Change-Id: I46dd82313aaa659e84c719ba9215682becf8ec6c