Fix: Compile Error. References #219 / Bug Report: 237 / HHornung

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5665 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix: compile warning because of unused variable

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5666 43c1dc8c-776e-4df2-8ef1-6e829299be21