Initialize all file pointers to NULL in initpointers

src/epanet.c

@@ -819,13 +819,13 @@ int DLLEXPORT EN_closeQ(EN_Project p)
     if (!p->Openflag) return 102;
     closequal(p);
     p->quality.OpenQflag = FALSE;
-/*    
+    
     if (p->outfile.OutFile != NULL)
     {
         fclose(p->outfile.OutFile);
         p->outfile.OutFile = NULL;
     }
-*/    
+    
     return 0;
 }