fix names of suppresssed tests on win7

BUG=skia:

Review URL: https://codereview.chromium.org/524643003

expectations/gm/ignored-tests.txt

diff --git a/expectations/gm/ignored-tests.txt b/expectations/gm/ignored-tests.txt
index de8c7a1..8a34a77 100644
--- a/expectations/gm/ignored-tests.txt
+++ b/expectations/gm/ignored-tests.txt
@@ -46,23 +46,23 @@
 fontcache
 
 #humper: https://codereview.chromium.org/470233002/
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