message: fixed wrapping for buckling analysis
diff: @@ -1825,7 +1825,7 @@ cdef class BucklingAnalysis:
  int num_eigs=5, double eig_tol=1e-6):
  # Get the auxiliary matrix from the solver
  cdef TACSMat *aux_mat
  - solver.getOperators(&aux_mat, NULL)
  + solver.ptr.getOperators(&aux_mat, NULL)
  # Create the linear buckling class
  self.ptr = new TACSLinearBuckling(assembler.ptr, sigma, G.ptr,
  