fix packaging code

Change-Id: I99c653f04ad051ab284eb14956886cdb9912944d
diff --git a/osx/osxdist.py b/osx/osxdist.py
index 28e01b1..78531ac 100644
--- a/osx/osxdist.py
+++ b/osx/osxdist.py
@@ -109,8 +109,10 @@
       if not os.path.exists(self.framework_path):
         os.mkdir(self.framework_path)
       else:
-        shutil.rmtree(self.framework_path)
-        os.mkdir(self.framework_path)
+        # shutil.rmtree(self.framework_path)
+        # os.mkdir(self.framework_path)
+        # do not remove /Contents/Framework; we have Sparkle.framework there
+        pass
 
     # If we weren't explicitly told which binary to operate on, pick the
     # bundle's default executable from its property list.