related fdo#50630: use print_warning when image not found
related fdo#50630: use print_warning when image not found

Change-Id: I8811ce96cb70429ae458e31cafb8979bb6bb9644

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