Update example in doctest chapter that uses math.floor to reflect the
fact that the result is an int in py3k. Thanks to 'flox' for pointing out
the discrepancy.
diff --git a/Doc/library/doctest.rst b/Doc/library/doctest.rst
index 2aa3ae1..4952e05 100644
--- a/Doc/library/doctest.rst
+++ b/Doc/library/doctest.rst
@@ -343,7 +343,7 @@
>>> assert "Easy!"
>>> import math
>>> math.floor(1.9)
- 1.0
+ 1
and as many leading whitespace characters are stripped from the expected output
as appeared in the initial ``'>>> '`` line that started the example.