FIX T49899: Add EIGEN_MAKE_ALIGNED_OPERATOR_NEW to classes that use eigen's data types , to force aligned on 16 byte boundaries.

Referenced by issue #49899, blender crashes when add a inverse kineatics constraint to bone

intern/iksolver/intern/IK_QSegment.h

@@ -60,6 +60,7 @@
 class IK_QSegment
 {
 public:
+	EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 	virtual ~IK_QSegment();
 
 	// start: a user defined translation

intern/iksolver/intern/IK_Solver.cpp

@@ -42,6 +42,7 @@ using namespace std;
 
 class IK_QSolver {
 public:
+	EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 	IK_QSolver() : root(NULL) {
 	}