Fix type in gtk gui
Fix type in gtk gui

servalproject/olsr,diogomg/olsrd-binary-heap,duydb2/olsr,sebkur/olsrd,duydb2/olsr,tdz/olsrd,duydb2/olsr,diogomg/olsrd-binary-heap,cholin/olsrd,zioproto/olsrd,ninuxorg/olsrd,diogomg/olsrd,servalproject/olsr,tdz/olsrd,zioproto/olsrd,ninuxorg/olsrd,duydb2/olsr,acinonyx/olsrd,diogomg/olsrd,diogomg/olsrd,acinonyx/olsrd,sebkur/olsrd,sebkur/olsrd,acinonyx/olsrd,acinonyx/olsrd,diogomg/olsrd,diogomg/olsrd-binary-heap,duydb2/olsr,diogomg/olsrd,tdz/olsrd,acinonyx/olsrd,diogomg/olsrd-binary-heap,nolith/olsrd,nolith/olsrd,nolith/olsrd,servalproject/olsr,cholin/olsrd,sebkur/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,cholin/olsrd,diogomg/olsrd-binary-heap,duydb2/olsr,zioproto/olsrd,servalproject/olsr,tdz/olsrd,tdz/olsrd,nolith/olsrd,zioproto/olsrd,ninuxorg/olsrd,sebkur/olsrd,servalproject/olsr,cholin/olsrd,sebkur/olsrd,nolith/olsrd,cholin/olsrd,duydb2/olsr,ninuxorg/olsrd,diogomg/olsrd,duydb2/olsr,zioproto/olsrd,ninuxorg/olsrd,diogomg/olsrd-binary-heap,servalproject/olsr