Added constant volume plugin (partially)

Samo Penic

2019-03-08 77a2c7de0dd6563a30467fa2e73f02ec9f4c3deb

 src/poly.c

@@ -242,9 +242,9 @@

ts_bool poly_free(ts_poly *poly){

   if (poly->grafted_vtx!=NULL){
      poly->grafted_vtx->grafted_poly=NULL;
   }
//   if (poly->grafted_vtx!=NULL){
//      poly->grafted_vtx->grafted_poly=NULL;
//   }
   vtx_list_free(poly->vlist);
   bond_list_free(poly->blist);
   free(poly);
@@ -254,8 +254,9 @@

ts_bool poly_list_free(ts_poly_list *poly_list){
   ts_uint i;

   //fprintf(stderr,"no. of polys=%d\n", poly_list->n);
   for(i=0;i<poly_list->n;i++){
   //   fprintf(stderr,"%d poly address in mem=%ld\n",i+1,(long)&(poly_list->poly[i]));
      poly_free(poly_list->poly[i]);
   }
   free(poly_list->poly);