Duh! Put your sd card into your PC. Go here
Latest Version/Google Apps - CyanogenMod Wiki and download the 2011028 version to your PC.
Download this
Free File Compression Software - Easily Zip/UnZip Files & Folders and install it.
Go to the downloaded Gapps.zip and left click it to open it up. The Express Zip Software should bring up a pop up. It will have two folders, open the system folder. Open up the app folder. Extract and transfer the Vending.apk to the root of your sd card (not in any folder, just near the bottom of the list of folders).
If you have a file explorer/manager on your phone you should be able to go into your sd card. Long press or tap the Vending.apk, which ever one gives you the option to install it. Do so, it should ask if it's ok to install it over the old one say yes. Once it's install select done and exit out of the file explore/manager. There you have it.