aiger: fix stupid incorrect download link

Signed-off-by: Austin Seipp <[e-mail]>

pkgs/applications/science/logic/aiger/default.nix

···
   version = "1.9.9";
 
   src = fetchurl {
-    url    = "http://fmv.jku/aiger/${name}.tar.gz";
+    url    = "http://fmv.jku.at/aiger/${name}.tar.gz";
     sha256 = "1ish0dw0nf9gyghxsdhpy1jjiy5wp54c993swp85xp7m6vdx6l0y";
   };