Ensure RNG_MRG always has contiguous output

theano/sandbox/rng_mrg.py

@@ -499,6 +499,7 @@ class GPU_mrg_uniform(mrg_uniform_base, GpuOp):
         int n_streams, n_streams_used_in_this_call;
         int must_alloc_sample = ((NULL == %(o_sample)s)
                 || !CudaNdarray_Check(py_%(o_sample)s)
+                || !CudaNdarray_is_c_contiguous(%(o_sample)s)
                 || (%(o_sample)s->nd != %(ndim)s));
 
         if (%(size)s->nd != 1)
@@ -593,7 +594,7 @@ class GPU_mrg_uniform(mrg_uniform_base, GpuOp):
         //////// </ code generated by mrg_uniform>
         """ %locals()
     def c_code_cache_version(self):
-        return (5,)
+        return (6,)
 
 
 def guess_n_streams(size, warn=True):