libsystemtap: 5.2 -> 5.3 (#405569)

pkgs/by-name/li/libsystemtap/package.nix

···
 
 stdenv.mkDerivation {
   pname = "libsystemtap";
-  version = "5.2";
+  version = "5.3";
 
   src = fetchgit {
     url = "git://sourceware.org/git/systemtap.git";
-    rev = "release-5.2";
-    hash = "sha256-SUPNarZW8vdK9hQaI2kU+rfKWIPiXB4BvJvRNC1T9tU=";
+    rev = "release-5.3";
+    hash = "sha256-W9iJ+hyowqgeq1hGcNQbvPfHpqY0Yt2W/Ng/4p6asxc=";
   };
 
   dontBuild = true;