COMP: incGamma: factorial(int&) is ambiguous for int64

Summary

log.linux64GccDPInt64Opt

primitives/functions/Math/incGamma.C:260:57: error: call of overloaded ‘factorial(int&)’ is ambiguous 

Possible fixes

0001-COMP-incGamma-invIncGamma-adjustments-for-int64-2100.patch