Fixed Compiler Error C2864 - only static const integral data members can...

Changed lipoFull and lipoEmpty initialization to allow correct compilation. This bug was introduced in commit befaccefd92abd839150b6a735f803cf52eb3ad2 (fix bogus type conversion). I'm using windows 7, VS2010 SP1 and QT 4.8.5. 

This is my first pull request, so if I'm doing something wrong please tell me! Thanks.

Pedro