Comment 9 for bug 2012119

Ah, many thanks for the pointer. I ended up building it with "debuild -b -uc -us" to avoid the signing error with dpkg-buildpackage.

I can confirm that removing the poptFreeContext(poptctxt) before using the filename and then adding poptFreeContext(poptctxt) before each exit() call and the return keyword does fix the issue (see attached diff file).