Reinstate accidentally deleted line in dependent_eqns/model.c.
Reinstate accidentally deleted line in dependent_eqns/model.c.

nickerso/libcellml,nickerso/libcellml,hsorby/libcellml,nickerso/libcellml,cellml/libcellml,MichaelClerx/libcellml,cellml/libcellml,hsorby/libcellml,cellml/libcellml,MichaelClerx/libcellml,hsorby/libcellml,hsorby/libcellml,nickerso/libcellml,MichaelClerx/libcellml,cellml/libcellml