The Cygwin realpath command fails for dirs on a mounted volume so just warn
The Cygwin realpath command fails for dirs on a mounted volume so just warn

Change-Id: Idff480084b22a5db6a0f00f90b7febc8488ba2af

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