Also, in case of collectd, the -lgcc_s shouldn't be needed anymore,
as the library is in ${glibc}/lib/ now, which is practically always on RPATH.
In case of seyren it was some stdenv change uncovering the mistake of
putting src into buildInputs.
source regions which are substituded by the tool nix-repository-manager.
See http://github.com/MarcWeber/nix-repository-manager/raw/master/README.
sourceByName is called sourceFromHead now.
updates: MPlayerTrunk, haxe, neko, netsurf, cinelerra, ctags
cinelerra does no longer build due to Xorg update
svn path=/nixpkgs/trunk/; revision=18894
