Use latest SDK version, instead of an fixed one.

drodriguez · drodriguez · commit d4af5847bdd3 · 2014-06-17T16:29:29.000+02:00
diff --git a/xcodebuild.py b/xcodebuild.py
@@ -20,7 +20,7 @@ class PebbleXcodeBuildException (Exception):
 
 
 class XcodeBuild(object):
-    sdk_version = "7.0"
+    sdk_version = ""
     conf = None
     archs = None
     project = None
