Fix compile warning

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5192 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix autorevision for mercurial repository

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5193 43c1dc8c-776e-4df2-8ef1-6e829299be21
Correct output to /dev/null instead of null. Make autorevision play nice on other language machine, by forcing LANGUAGE=C

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5194 43c1dc8c-776e-4df2-8ef1-6e829299be21