renamed Filltype FILE to fix compiler warning -wshadow

src/Arith.cc

@@ -51,7 +51,7 @@ class ModuleArith
     TS,
     VAR,
     VARTS,
-    FILE
+    ALL_TIMESTEPS
   };
   FillType fillType{ FillType::NONE };
   int nlevels2 = 1;
@@ -266,7 +266,7 @@ public:
         nrecs = cdo_stream_inq_timestep(streamID1, tsID);
 
         nrecs2 = 0;
-        if (tsID == 0 || fillType == FillType::NONE || fillType == FillType::FILE || fillType == FillType::VARTS)
+        if (tsID == 0 || fillType == FillType::NONE || fillType == FillType::ALL_TIMESTEPS || fillType == FillType::VARTS)
           {
             nrecs2 = cdo_stream_inq_timestep(streamID2, tsID2);
             if (nrecs2 == 0)
@@ -275,11 +275,11 @@ public:
 
                 if (fillType == FillType::NONE && streamID2x == streamID2)
                   {
-                    fillType = FillType::FILE;
+                    fillType = FillType::ALL_TIMESTEPS;
                     cdo_print("Filling up stream2 >%s< by copying all timesteps.", cdo_get_stream_name(1));
                   }
 
-                if (fillType == FillType::FILE)
+                if (fillType == FillType::ALL_TIMESTEPS)
                   {
                     cdo_stream_close(streamID2);
 
@@ -329,7 +329,7 @@ public:
 
             auto varID2 = varID;
 
-            if (tsID == 0 || fillType == FillType::NONE || fillType == FillType::FILE || fillType == FillType::VARTS)
+            if (tsID == 0 || fillType == FillType::NONE || fillType == FillType::ALL_TIMESTEPS || fillType == FillType::VARTS)
               {
                 auto lstatus = (nlevels2 > 1) ? (varID == 0) : (recID == 0);
                 if (lstatus || (fillType != FillType::VAR && fillType != FillType::VARTS))