Bug 21605: (follow-up) Simple ternary boolean to number conversion

Bug 21605: (follow-up) Simple ternary boolean to number conversion

Imo it is much easier to do just "$a ? 1 : 0" than testing defined($a) etc.
in the additional loop.
Less code, more readable?

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit 482b323da1e18324941963359b9a1bd96f297c44)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>