Fixed reference leak in error branch of _bufferedreader_read_all(). The variable data can contain a bytes object but it wasn't cleaned up when PyList_New() failed. CID 715364
Fixed reference leak in error branch of _bufferedreader_read_all(). The variable data can contain a bytes object but it wasn't cleaned up when PyList_New() failed. CID 715364

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator