FIx the missing dcc/action events


git-svn-id: svn://svn.code.sf.net/p/libircclient/code/trunk@120 28a50672-2c1c-0410-871c-d3b6e71dd7f9
Set the error in case the library is not connected in
irc_process_select_descriptors


git-svn-id: svn://svn.code.sf.net/p/libircclient/code/trunk@121 28a50672-2c1c-0410-871c-d3b6e71dd7f9