subversion: fix perl patch

Closes #20629.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
subversion: remove obsolete configure option

Closes #20630.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
base64: install manpage

Closes #20634.
qprint: remove unused configure switches
Splatted parameter is always an array
Use a Set for skip_clean_paths
Remove unused accessor