Fix error handling for the AppleGetQueues and AppleGetPendingItems
ClangFunctions if the clang function compilation fails for any reason.
<rdar://problem/16793965> 

llvm-svn: 211549
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp
index 51b797a..16af24b 100644
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp
@@ -373,6 +373,7 @@
     if (m_get_pending_items_function == NULL)
     {
         error.SetErrorString ("Unable to compile function to call __introspection_dispatch_queue_get_pending_items");
+        return return_value;
     }