Fix compile error due to autoconf
Signed-off-by: Jonathan Bennett <jbennett@incomsystems.biz>

This commit was not made by the package maintainer and needs to be reverted.
This reverts commit 5989f6ca0b.
Signed-off-by: Jonathan Bennett <jbennett@incomsystems.biz.

Signed-off-by: Ted Hess <thess@kitschensync.net>

Update to latest release
add qrencode package which contains the qrencode binary
Remove libpng dependancy
Signed-off-by: Jonathan Bennett <jbennett@incomsystems.biz>