FTP Server: Don't send error in case folder already exists

This patch prevents FTP Server from responding with Error in case
FTP Client request to create a folder already present on DUT. Without
this patch it was observed that FTP Spec was being violated as spec
mandates that DUT should be able to set path to new folder even if folder
exists on DUT.

Change-Id: I2300b5fa674476ae339f340a073d0287e93a7baa
CRs-Fixed: 601861
1 file changed