Remapgrid: replace ranges::fill by for loop (bug with pgc++ 23.9.0)

src/Remapgrid.cc

@@ -585,7 +585,8 @@ public:
                         ranges::fill(remap.srcGrid.cell_frac, 0.0);
                         ranges::fill(remap.tgtGrid.cell_area, 0.0);
                       }
-                    ranges::fill(remap.tgtGrid.cell_frac, 0.0);
+                    // ranges::fill(remap.tgtGrid.cell_frac, 0.0); failed with pgc++ 23.9.0
+                    for (auto &cf : remap.tgtGrid.cell_frac) cf = 0.0;
 
                     // initialize some remapping variables
                     remap_vars_init(mapType, remapOrder, remap.vars);