coverity#704343 Dead default in switch
coverity#704343 Dead default in switch

only >= 0 and <= 4 are possible here, make 0 the default to keep
coverity and compilers both happy

Change-Id: I2e1e6a4ea3a1fd30f230e59ecdcb6b55e9028c08

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