bpo-37571: Remove extra space in ctypes docs (GH14764)

(cherry picked from commit 68c74d05c1fdaf59d8711431884af975ac2ac5f8)

Co-authored-by: Steve Dower <steve.dower@python.org>
diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst
index 5507cc6..02a5500 100644
--- a/Doc/library/ctypes.rst
+++ b/Doc/library/ctypes.rst
@@ -1183,7 +1183,7 @@
    b'abc def ghi'
    >>> s.value is s.value
    False
-    >>>
+   >>>
 
 .. note::