Compiler warning fixed
Compiler warning fixed

zioproto/olsrd,nolith/olsrd,servalproject/olsr,zioproto/olsrd,ralisi/olsrd_cl_roam,sebkur/olsrd,tdz/olsrd,zioproto/olsrd-gsoc2012,zioproto/olsrd-gsoc2012,cl4u2/olsrd-wot-pgp,acinonyx/olsrd,zioproto/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,cl4u2/olsrd-wot-pgp,zioproto/olsrd-gsoc2012,duydb2/olsr,sebkur/olsrd,duydb2/olsr,cholin/olsrd,sauloqueiroz/incremental-spf,diogomg/olsrd-binary-heap,tdz/olsrd,sauloqueiroz/incremental-spf,diogomg/olsrd-binary-heap,acinonyx/olsrd,acinonyx/olsrd,tdz/olsrd,servalproject/olsr,duydb2/olsr,sauloqueiroz/incremental-spf,zioproto/olsrd,diogomg/olsrd-binary-heap,sebkur/olsrd,diogomg/olsrd,sebkur/olsrd,sebkur/olsrd,brabander/olsr,servalproject/olsr,duydb2/olsr,diogomg/olsrd-binary-heap,zioproto/olsrd-gsoc2012,diogomg/olsrd,ninuxorg/olsrd,cholin/olsrd,diogomg/olsrd,sebkur/olsrd,diogomg/olsrd-binary-heap,zioproto/olsrd,cl4u2/olsrd-wot-pgp,nolith/olsrd,brabander/olsr,ralisi/olsrd_cl_roam,tdz/olsrd,cholin/olsrd,ninuxorg/olsrd,tdz/olsrd,diogomg/olsrd,cholin/olsrd,cl4u2/olsrd-wot-pgp,acinonyx/olsrd,nolith/olsrd,duydb2/olsr,sauloqueiroz/incremental-spf,diogomg/olsrd,servalproject/olsr,ninuxorg/olsrd,zioproto/olsrd-gsoc2012,brabander/olsr,cl4u2/olsrd-wot-pgp,ralisi/olsrd_cl_roam,duydb2/olsr,diogomg/olsrd-binary-heap,servalproject/olsr,nolith/olsrd,cholin/olsrd,zioproto/olsrd-gsoc2012,ralisi/olsrd_cl_roam,ninuxorg/olsrd,duydb2/olsr,ninuxorg/olsrd,duydb2/olsr,acinonyx/olsrd,diogomg/olsrd,servalproject/olsr,nolith/olsrd,brabander/olsr