applications/solvers: Added call to validate the turbulence model after construction

See also commit 52d83407f3

applications/solvers/multiphase/compressibleMultiphaseInterFoam/compressibleMultiphaseInterFoam.C

@@ -56,6 +56,8 @@ int main(int argc, char *argv[])
     #include "CourantNo.H"
     #include "setInitialDeltaT.H"
 
+    turbulence->validate();
+
     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
     Info<< "\nStarting time loop\n" << endl;