Correct shape->dense_shape in SparseTensor

Author: jasonmorton

tensorflow/docs_src/tutorials/wide_and_deep.md

@@ -233,7 +233,7 @@ def input_fn(df):
   categorical_cols = {k: tf.SparseTensor(
       indices=[[i, 0] for i in range(df[k].size)],
       values=df[k].values,
-      shape=[df[k].size, 1])
+      dense_shape=[df[k].size, 1])
                       for k in CATEGORICAL_COLUMNS}
   # Merges the two dictionaries into one.
   feature_cols = dict(continuous_cols.items() + categorical_cols.items())