VC++Files/mysql.sln:
  gen_lex_hash.vcproj is added into mysql.sln for win32 build.
VC++Files/sql/gen_lex_hash.dsp:
  gen_lex_hash project file is added for win32 build.
VC++Files/sql/gen_lex_hash.vcproj:
  gen_lex_hash project file is added for win32 build.