BUG: openfile is called multiple times, second call stopped code with 'at keyword requires use of append yes'

src/USER-NETCDF/dump_netcdf.cpp

@@ -599,6 +599,7 @@ void DumpNetCDF::openfile()
       count[1] = 5;
       NCERR( nc_put_vara_text(ncid, cell_angular_var, index, count, "gamma") );
 
+      append_flag = 1;
       framei = 1;
     }
   }

src/USER-NETCDF/dump_netcdf_mpiio.cpp

@@ -575,6 +575,7 @@ void DumpNetCDFMPIIO::openfile()
 
     NCERR( ncmpi_end_indep_data(ncid) );
 
+    append_flag = 1;
     framei = 1;
   }
 }