fix compile gatt client test

git-svn-id: http://btstack.googlecode.com/svn/trunk@2876 1a0a8af8-31b5-11de-8e0c-53a27eea117e
fix tests

git-svn-id: http://btstack.googlecode.com/svn/trunk@2877 1a0a8af8-31b5-11de-8e0c-53a27eea117e