Fixed PR #356 regression RemoveCol() broken (#365)

col.go

@@ -337,11 +337,12 @@ func (f *File) RemoveCol(sheet, col string) {
 
 	xlsx := f.workSheetReader(sheet)
 	for rowIdx := range xlsx.SheetData.Row {
-		rowData := xlsx.SheetData.Row[rowIdx]
-		for colIdx, cellData := range rowData.C {
-			colName, _, _ := SplitCellName(cellData.R)
+		rowData := &xlsx.SheetData.Row[rowIdx]
+		for colIdx := range rowData.C {
+			colName, _, _ := SplitCellName(rowData.C[colIdx].R)
 			if colName == col {
-				rowData.C = append(rowData.C[:colIdx], rowData.C[colIdx+1:]...)
+				rowData.C = append(rowData.C[:colIdx], rowData.C[colIdx+1:]...)[:len(rowData.C)-1]
+				break
 			}
 		}
 	}

rows.go

@@ -379,9 +379,10 @@ func (f *File) RemoveRow(sheet string, row int) {
 	if row > len(xlsx.SheetData.Row) {
 		return
 	}
-	for i, r := range xlsx.SheetData.Row {
-		if r.R == row {
-			xlsx.SheetData.Row = append(xlsx.SheetData.Row[:i], xlsx.SheetData.Row[i+1:]...)
+	for rowIdx := range xlsx.SheetData.Row {
+		if xlsx.SheetData.Row[rowIdx].R == row {
+			xlsx.SheetData.Row = append(xlsx.SheetData.Row[:rowIdx],
+				xlsx.SheetData.Row[rowIdx+1:]...)[:len(xlsx.SheetData.Row)-1]
 			f.adjustHelper(sheet, rows, row, -1)
 			return
 		}