Add correct input for helpex
Add correct input for helpex

Helpex waits for a file which contains path
of po file not a path directly
Delete unneeded slash

Change-Id: I890f6a51ebef1ae40647859b11ab4c46c02eb13b
Reviewed-on: https://gerrit.libreoffice.org/733
Reviewed-by: Andras Timar <6f59012b65db6ef0908cbd0c74028f7067b11ee7@suse.com>
Tested-by: Andras Timar <6f59012b65db6ef0908cbd0c74028f7067b11ee7@suse.com>

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