docs: update `fileIdsToDelete` var (#3692)

Signed-off-by: Ryan Russell <git@ryanrussell.org>

Signed-off-by: Ryan Russell <git@ryanrussell.org>

weed/filer/filer_deletion.go

@@ -94,10 +94,10 @@ func (f *Filer) doDeleteFileIds(fileIds []string) {
 }
 
 func (f *Filer) DirectDeleteChunks(chunks []*filer_pb.FileChunk) {
-	var fildIdsToDelete []string
+	var fileIdsToDelete []string
 	for _, chunk := range chunks {
 		if !chunk.IsChunkManifest {
-			fildIdsToDelete = append(fildIdsToDelete, chunk.GetFileIdString())
+			fileIdsToDelete = append(fileIdsToDelete, chunk.GetFileIdString())
 			continue
 		}
 		dataChunks, manifestResolveErr := ResolveOneChunkManifest(f.MasterClient.LookupFileId, chunk)
@@ -105,12 +105,12 @@ func (f *Filer) DirectDeleteChunks(chunks []*filer_pb.FileChunk) {
 			glog.V(0).Infof("failed to resolve manifest %s: %v", chunk.FileId, manifestResolveErr)
 		}
 		for _, dChunk := range dataChunks {
-			fildIdsToDelete = append(fildIdsToDelete, dChunk.GetFileIdString())
+			fileIdsToDelete = append(fileIdsToDelete, dChunk.GetFileIdString())
 		}
-		fildIdsToDelete = append(fildIdsToDelete, chunk.GetFileIdString())
+		fileIdsToDelete = append(fileIdsToDelete, chunk.GetFileIdString())
 	}
 
-	f.doDeleteFileIds(fildIdsToDelete)
+	f.doDeleteFileIds(fileIdsToDelete)
 }
 
 func (f *Filer) DeleteChunks(chunks []*filer_pb.FileChunk) {