Merge branch 'client_warnings' into stable

sflphone-gtk/configure.ac

sflphone-gtk/src/accountlist.c

sflphone-gtk/src/accountwindow.c

sflphone-gtk/src/actions.c

sflphone-gtk/src/assistant.c

sflphone-gtk/src/audioconf.c

sflphone-gtk/src/calllist.c

sflphone-gtk/src/calltree.c

sflphone-gtk/src/codeclist.c

sflphone-gtk/src/configwindow.c

sflphone-gtk/src/dbus.c

sflphone-gtk/src/dialpad.c

sflphone-gtk/src/historyfilter.c

sflphone-gtk/src/mainwindow.c

sflphone-gtk/src/menus.c

sflphone-gtk/src/sflnotify.c

sflphone-gtk/src/sflphone_const.h

sflphone-gtk/src/statusicon.c