nixpkgs: nmap 6.47 -> 6.49BETA4

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

pkgs/tools/security/nmap/default.nix

···
 with stdenv.lib;
 stdenv.mkDerivation rec {
   name = "nmap${optionalString graphicalSupport "-graphical"}-${version}";
-  version = "6.47";
+  version = "6.49BETA4";
 
   src = fetchurl {
     url = "http://nmap.org/dist/nmap-${version}.tar.bz2";
-    sha256 = "14d53aji4was68c01pf105n5ylha257wmdbx40ddiqiw42g1x8cg";
+    sha256 = "042fg73w7596b3h6ha9y62ckc0hd352zv1shwip3dx14v5igrsna";
   };
 
   patches = ./zenmap.patch;