Fix SF #1345263, colorsys tests, bug in frange

Fix a typo that caused step to be ignored.

Will backport.
diff --git a/Lib/test/test_colorsys.py b/Lib/test/test_colorsys.py
index 1ef7b0c..a8cd885 100644
--- a/Lib/test/test_colorsys.py
+++ b/Lib/test/test_colorsys.py
@@ -4,7 +4,7 @@
 def frange(start, stop, step):
     while start <= stop:
         yield start
-        start += stop
+        start += step
 
 class ColorsysTest(unittest.TestCase):
 
diff --git a/Misc/ACKS b/Misc/ACKS
index b95902a..72ed346 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -271,6 +271,7 @@
 Albert Hofkamp
 Jonathan Hogg
 Gerrit Holl
+Rune Holm
 Philip Homburg
 Naofumi Honda
 Jeffrey Honig