Backout Mingw/NT4 Update
Backout Mingw/NT4 Update

-- Replaces Mingw modified user.mak with
   default user.mak from v15_02


git-svn-id: 28d9401aa571d5108e51b194aae6f24ca5964c06@3145 8cc4aa7f-3514-0410-904f-f2cc9021211c

crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS