Build issues for 32-bit

[mdznr]

There are some issues with building for 32-bit in MVPreferencesController.m where some synthesized properties must be either named the same as a compatible ivar or must explicitly name an ivar. This is an issue for toolbar, generalView, advancedView, selectedIdentifier, and selectedView on lines 53-55, 58, and 59.

[anthonysomerset]

i'm certain that 32bit is only needed for 10.6 and below and I'm not sure what the plan for supporting older versions of the OS are?

[anthonysomerset]

this is an issue for 64 bit as well