Preventing linedevice=0x0 when calling indicate->connected

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5091 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix ccp_wrapper_asterisk???_park where bridgeChannel is not guaranteed to be found

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5092 43c1dc8c-776e-4df2-8ef1-6e829299be21