Fix refcount issue during sccp_device_check_update

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5365 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix refcount issue in sccp_device_selectedchannels_count (BTW: should this function not be moved to in sccp_device.c , or renamed otherwise \?)

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5366 43c1dc8c-776e-4df2-8ef1-6e829299be21
Removed stray backslash

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5367 43c1dc8c-776e-4df2-8ef1-6e829299be21