declare evolve_mom to 0

-this resolves the seg fault in Brenno's computer

src/closure_mod.F90

@@ -33,6 +33,7 @@ SUBROUTINE set_closure_model
     dmax = MIN(pmax,2*jmax+1)
   ! set the evolve mom array
   ALLOCATE(evolve_mom(local_np+ngp,local_nj+ngj))
+  evolve_mom = 0
   SELECT CASE(hierarchy_closure)
   CASE('truncation')
     DO ip = 1,local_np+ngp