Update SU2_CFD/include/numerics/turbulent/turb_sources.hpp

Co-authored-by: TobiKattmann <31306376+TobiKattmann@users.noreply.github.com>

Author: pcarruscag

SU2_CFD/include/numerics/turbulent/turb_sources.hpp

@@ -35,9 +35,18 @@
  */
 struct CSAVariables {
   /*--- List of constants ---*/
-  const su2double cv1_3 = pow(7.1, 3), k2 = pow(0.41, 2), cb1 = 0.1355, cw2 = 0.3, ct3 = 1.2, ct4 = 0.5,
-                  cw3_6 = pow(2, 6), sigma = 2.0 / 3.0, cb2 = 0.622, cb2_sigma = cb2 / sigma,
-                  cw1 = cb1 / k2 + (1 + cb2) / sigma, cr1 = 0.5;
+  const su2double cv1_3 = pow(7.1, 3);
+  const su2double k2 = pow(0.41, 2);
+  const su2double cb1 = 0.1355;
+  const su2double cw2 = 0.3;
+  const su2double ct3 = 1.2;
+  const su2double ct4 = 0.5;
+  const su2double cw3_6 = pow(2, 6);
+  const su2double sigma = 2.0 / 3.0;
+  const su2double cb2 = 0.622;
+  const su2double cb2_sigma = cb2 / sigma;
+  const su2double cw1 = cb1 / k2 + (1 + cb2) / sigma;
+  const su2double cr1 = 0.5;
 
   /*--- List of auxiliary functions ---*/
   su2double ft2, d_ft2, r, d_r, g, d_g, glim, fw, d_fw, Ji, d_Ji, S, Shat, d_Shat, fv1, d_fv1, fv2, d_fv2;