Update Link (tensorflow#9611)

Author: junwei-pan

tensorflow/python/ops/logging_ops.py

@@ -86,7 +86,7 @@ def histogram_summary(tag, values, collections=None, name=None):
   This ops is deprecated. Please switch to tf.summary.histogram.
 
   For an explanation of why this op was deprecated, and information on how to
-  migrate, look ['here'](https://www.tensorflow.org/code/tensorflow/contrib/deprecated/__init__.py)
+  migrate, look ['here'](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/contrib/deprecated/__init__.py)
 
   The generated
   [`Summary`](https://www.tensorflow.org/code/tensorflow/core/framework/summary.proto)
@@ -190,7 +190,7 @@ def audio_summary(tag,
 
   This op is deprecated. Please switch to tf.summary.audio.
   For an explanation of why this op was deprecated, and information on how to
-  migrate, look ['here'](https://www.tensorflow.org/code/tensorflow/contrib/deprecated/__init__.py)
+  migrate, look ['here'](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/contrib/deprecated/__init__.py)
 
   The summary has up to `max_outputs` summary values containing audio. The
   audio is built from `tensor` which must be 3-D with shape `[batch_size,
@@ -326,7 +326,7 @@ def scalar_summary(tags, values, collections=None, name=None):
 
   This ops is deprecated. Please switch to tf.summary.scalar.
   For an explanation of why this op was deprecated, and information on how to
-  migrate, look ['here'](https://www.tensorflow.org/code/tensorflow/contrib/deprecated/__init__.py)
+  migrate, look ['here'](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/contrib/deprecated/__init__.py)
 
   The input `tags` and `values` must have the same shape.  The generated
   summary has a summary value for each tag-value pair in `tags` and `values`.