Repin the connector. Here are the pins and associated parts. You can re use the connector housing. If the connector on the board has any corrosion, then you will need to attend to that as well.

http://www.rtbb.com.au/catalog/advanced_search_result.php?keywords=.100&osCsid=c9920ee3c86965f9539b86fa071b696c&x=0&y=0

You will also require a crimper that is usually only found overseas

http://www.greatplainselectronics.com/Category-73.asp

1026-CT or 1028-CT can be used. I have a 1028-CT that I use for all crimping (.100, .156, .093 & .062)