Description of problem:
If I have a column of dates in the usual dd/mm/yyyy format and convert it to
YYYY-MM-DD (for use in MySQL) and then export the spreadsheet to a csv file, the
dates remain in the original format

Version-Release number of selected component (if applicable):
1.9.125

How reproducible:
Alway

Steps to Reproduce:
1. Start oocalc and enter a column of dates.
2. select the entire column and alter the date format
3. file->save as->somefile.csv
  
Actual results:
The dates will be in the original format

Expected results:
The dates should be in the new format

Additional info: