PICAM: Fix crash on setting certain properties
PICAM: Fix crash on setting certain properties

In practice, the crash was observed with the "Port" (readout port) property.
The cause was a confusion between PICAM enum values and the index of enum
values, leading to an out-of-bound array index.

There appears to be a separate issue that prevents correct setting of the
"Port" property, which is not addressed in this commit.

git-svn-id: 03a8048b5ee8463be5048a3801110fb50f378627@14698 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd

kmdouglass/Micro-Manager,kmdouglass/Micro-Manager