Merge branch 'cmake_gtest' of https://github.com/Ondsel-Development/O…

…ndselSolver into cmake_gtest

OndselSolver/GeneralSpline.cpp

@@ -149,7 +149,7 @@ double MbD::GeneralSpline::derivativeAt(size_t n, double xxx)
 	calcIndexAndDeltaFor(xxx);
 	auto& derivsi = derivs->at(index);
 	double sum = 0.0;
-	for (int j = (int)degree; j >= n + 1; j--)	//Use int because of decrement
+	for (int j = (int)degree; j >= (int) n + 1; j--)	//Use int because of decrement
 	{
 		sum = (sum + derivsi->at((size_t)j - 1)) * delta / (j - n);
 	}