/*D
   MPI_Win_delete_attr - Deletes an attribute value associated with a key on a window

Synopsis:
.vb
int MPI_Win_delete_attr(MPI_Win win, int win_keyval)
.ve

Input Parameters:
+ win - window from which the attribute is deleted (handle)
- win_keyval - key value (integer)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_KEYVAL
.N MPI_ERR_WIN
.N MPI_ERR_OTHER

D*/

