bpo-27788 : synchronise platform.py version number (#246) (#341)

Was bumped in the docstring by b9f4feab1b9c9ffa8ea29af3d82bc536f9f3005a
but not in `__version__`

(cherry picked from commit 6059ce45aa96f52fa0150e68ea655fbfdc25609a)
diff --git a/Lib/platform.py b/Lib/platform.py
index e48ad0b..0623475 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -110,7 +110,7 @@
 
 """
 
-__version__ = '1.0.7'
+__version__ = '1.0.8'
 
 import collections
 import sys, os, re, subprocess