OpCodeProviderImpl::initFuncOpCode: warn if there is no opcode mapping
OpCodeProviderImpl::initFuncOpCode: warn if there is no opcode mapping

During loading an xlsx document in an --enable-dbgutil build
OpCodeProviderImpl::OpCodeProviderImpl() spits out a warning
"OpCodeProviderImpl::OpCodeProviderImpl - opcodes not initialized"

OpCodeProviderImpl::initFuncOpCode() now gives a clue which.

Change-Id: Ia0bc53ce5a590e6904c660cd725d907efa5a731d

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core