Tweak devel/avr-gcc version 4.5.1_1
Update security/p5-Crypt-Twofish to version 2.16
Update science/p5-Geo-BUFR to version 1.22
Tweak print/p5-Font-FreeType version 0.03
Update dns/p5-Net-DNS-ToolKit to version 0.47
Tweak net/pbnc version 1.0_1
Update devel/p5-Test-Exception to version 0.32