Cosmetics: Use more consistent style in the generated OpenCL code

Change-Id: I6c292c95cb3927954d71a5513665dcf2c54166b2
Umgekehrte Polnische Notation is German for Reverse Polish Notation

Change-Id: I80480f963b643596ff1c0e93af3eaa6ffc63c9dd
Bin an unused function

Change-Id: Iedea7622d27e263b21943f7696ff71fb7fbd7c80
WaE: unused variable 'sSqlStatement' [loplugin]

Change-Id: I30fe491d8257affb994083ae312d9663ef7a28e9