Merge pull request swiftlang#73 from xedin/xfail-asyncninja

XFAIL AsyncNinja

Author: lplarson

Diff for: projects.json

@@ -109,7 +109,16 @@
         "project": "AsyncNinja.xcodeproj",
         "scheme": "AsyncNinja",
         "destination": "generic/platform=iOS",
-        "configuration": "Release"
+        "configuration": "Release",
+        "xfail": {
+          "compatibility": {
+            "3.1": {
+              "branch": {
+                "master": "https://bugs.swift.org/browse/SR-5998"
+              }
+            }
+          }
+        }
       },
       {
         "action": "TestXcodeProjectScheme",