valgrind fix sccp_process_data

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4262 43c1dc8c-776e-4df2-8ef1-6e829299be21
cleanup order of sccp_process_data

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4263 43c1dc8c-776e-4df2-8ef1-6e829299be21