getdata: add security patch from Debian (#124713)

Co-authored-by: Sandro <[e-mail]>

pkgs/development/libraries/getdata/default.nix

···
-{ lib, stdenv, fetchurl, libtool }:
+{ lib, stdenv, fetchurl, fetchpatch, libtool }:
 stdenv.mkDerivation rec {
   pname = "getdata";
   version = "0.10.0";
···
     url = "mirror://sourceforge/getdata/${pname}-${version}.tar.xz";
     sha256 = "18xbb32vygav9x6yz0gdklif4chjskmkgp06rwnjdf9myhia0iym";
   };
+
+  patches = [
+    (fetchpatch {
+      url = "https://sources.debian.org/data/main/libg/libgetdata/0.10.0-10/debian/patches/CVE-2021-20204.patch";
+      sha256 = "1lvp1c2pkk9kxniwlvax6d8fsmjrkpxawf71c7j4rfjm6dgvivzm";
+    })
+  ];
 
   buildInputs = [ libtool ];