Replaced usage of size_t for SOCKET. SOCKET in Windows is the standard socket type as defined in Winsock2 while on x systems is a regular int.
Defined INVALID_SOCKET as -1 for x systems, while in Windows is the standard defined value for error when trying to create a socket
Removed code that declared extra int variable. Now sock will be of int datatype for unix based systems
Merge pull request #127 from jsbattig/mongo-pull-64bits-socket

Replaced usage of size_t for SOCKET. SOCKET in Windows is the standard s...