Fix divide by zero error in VPClusterEffSimDQ.cpp
Fix divide by zero cases were no VP clusters in log10 in VP/VPCheckers/src/VPClusterEffSimDQ.cpp. This resolves the issues raised in #10 (closed)
Fix divide by zero cases were no VP clusters in log10 in VP/VPCheckers/src/VPClusterEffSimDQ.cpp. This resolves the issues raised in #10 (closed)