webkitgtk, kde.qtcurve: build with default gcc (not 4.7)
asympote: fix build
celestia: fix build (inspired by Arch)
gnome2.libgnomeprint: fix build by using bison2
net_snmp: fix build by autoreconfing
gource: fix build with newer gcc versions (-fpermissive)
ipsecTools: fix build with newer gcc versions (warnings)
libmsn: fix build with >=gcc-4.7 by a debian patch
kde.krusader: fix build with newer gcc versions (-fpermissive)