Add newlines

Author: markshannon

peps/pep-0805.rst

@@ -479,6 +479,7 @@ With these fields, the ``PyObject`` header should be the smaller than is current
 although larger than for the default (with GIL) build.
 
 A possible object header:
+
 .. code-block:: C
 
     uint32_t ref_count_local;
@@ -492,6 +493,7 @@ A possible object header:
 
 
 or if we use atomic reference counting for non-local objects, we can use pointers for owners:
+
 .. code-block:: C
 
     uintptr_t owner;