Added rpath exports to spacenav as requested by #3480.
Added rpath exports to spacenav as requested by #3480.

git-svn-id: 44897fafd6af4a85facfb7629a436b21eeef0670@26539 eb33c2ac-9c88-4c90-87e0-44a10359b0c3

ccc395/Robotics,ccc395/Robotics,ccc395/Robotics