make "rest" param in endsWithIgnoreAsciiCase default to zero
make "rest" param in endsWithIgnoreAsciiCase default to zero

so it matches all of the other endsWith* methods

Change-Id: If6a37056b1225675848434bfb3520e6c496f22e5

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