Bug 17447: %opt is unused

Bug 17447: %opt is unused

Deleted the line.
perlcritic -4 before and after.
Before there are issues. After there is not.

Also, changed function to not rely on implicit return value
of last line, but explicitly stated a return. And operator
changed, due to precedence issues.

Signed-off-by: Mark Tompsett <mtompset@hotmail.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>