[pca] Perl Issue

[Martin Paul]

Hi Edwin,

> Modification of a read-only value attempted at ./pca-proxy.cgi line 2208.

Thanks a lot for the report and the patch! I've integrated the fix into 
the current development release and scanned pca for other similar 
possible issues (it was the only one of this kind).

I'm planning a new official release today or tomorrow, so you can wait 
for that to get the fix.

Martin.