Build the netapp shared object in NmaCore/lib.  We missed lib.

https://bugzilla.redhat.com/show_bug.cgi?id=1166841

We were building in:
/var/www/miq/lib/NetappManageabilityAPI/NmaCore/x86_64-linux/ruby1.9.3

It should be:
/var/www/miq/lib/NetappManageabilityAPI/NmaCore/lib/x86_64-linux/ruby1.9.3