fix on windows.

theano/sandbox/cuda/cuda_ndarray.cuh

@@ -338,7 +338,7 @@ DllExport int CudaNdarray_reduce_min(CudaNdarray * self, CudaNdarray * A);
 DllExport int CudaNdarray_reduce_max(CudaNdarray * self, CudaNdarray * A);
 
 DllExport int CudaNdarray_dimshuffle(CudaNdarray * self, unsigned int len, const int * pattern);
-PyObject* 
+DllExport PyObject*
 CudaNdarray_TakeFrom(CudaNdarray * self, PyObject *args);
 
 static void fprint_CudaNdarray(FILE * fd, const CudaNdarray *self);