one more ignore for hairlines

expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
index ce85ce9d5a2f05e90b8847efcc708202d11d5f0f..2618b06699f313b0b3728af6cd34428c3a738273 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
@@ -8404,6 +8404,7 @@
           885492340758860465
         ]
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": true
     }, 
     "hairlines_pdf-poppler.png": {
@@ -14263,4 +14264,4 @@
       "reviewed-by-human": true
     }
   }
-}
+}