Fix: pass the network pointer to freeadjlists and not the project

src/hydraul.c

@@ -286,7 +286,7 @@ void  closehyd(Project *pr)
 {
     freesparse(pr);
     freematrix(pr);
-    freeadjlists(pr);
+    freeadjlists(&pr->network);
 }
 
 

src/quality.c

@@ -410,7 +410,7 @@ int closequal(Project *pr)
         FREE(qual->FlowDir);
         FREE(qual->SortedNodes);
     }
-    freeadjlists(pr);
+    freeadjlists(&pr->network);
     return errcode;
 }