fix typo in evalSolverSugarFunction()

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branch : maksqwe/fix-typo-in-evalSolverSugarFunction
Merged in maksqwe/eigen/maksqwe/fix-typo-in-evalSolverSugarFunction (pull request #44)

fix typo in evalSolverSugarFunction()
Remove unused typedef in polynomialsolver test.

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extra : source : 57fca8e28fdd46fedab3c94e55f95e1cb957a268