New VC7 project files
des_key_file.cc:
Visual C++ wants '"' for local include
mysql.cc:
Cast my_cgets() argument for VC6 and VC7
dummy.cpp:
Added to convince VS .Net generate a lib for mysqlserver
Ensured that all projects compile
Removed compiler warnings
Better setting of server_version variable.
Fix that make_win_src_distribution creates the privilege tables.