sccomp: Fix description of com.sun.star.comp.Calc.CoinMPSolver.

Forgotten in 077bdc73f2bcd625be1030fa8ff630c3dbd83657

Change-Id: Iddf90f1107f05351754830b49344cb24db1e1089
fix creating com.sun.star.sheet.Solver instance

Change-Id: I100d45b8f749ece5496d8e5a0e3343dee96f7138