curl: update 7.33 -> .35, including two security fixes

CVE-2013-4545
CVE-2014-0015
gegl: fix CVE-2012-4433 via an Arch patch
flashplayer: update, fixing many security CVEs
rxvt-unicode: calculate font width correctly

It is (fairly) well known among rxvt-unicode users that its method of
calculating the width of Xft fonts is not correct. This is the Gentoo
version of the patch which corrects the problem.
pakcs: advance version to 1.11.3, which is compatible with SWI Prolog 6.6
Use proper file and attribute names for tls packages

Signed-off-by: Shea Levy <shea@shealevy.com>
kicad: disable parallel building, as it often fails

CC @viric.
socat: update from 1.7.2.2 to 1.7.2.3, potentially fixes CVE-2014-0019
services.xserver.videoDrivers -> services.mesa.videoDrivers
llvm: remove duplicate ncurses buildInput
Fix nixBuild
cleanSources: Filter *.o and *.so