haskellPackages.svgcairo: Handle darwin and patch using upstream PR

The first patch we were applying before didn't build on darwin so I created a
new PR building on that, adding a darwin conditional adding the missing flag.

pkgs/development/haskell-modules/configuration-common.nix

@@ -1273,22 +1273,18 @@ self: super: {
   gi-cairo-render = doJailbreak super.gi-cairo-render;
   gi-cairo-connector = doJailbreak super.gi-cairo-connector;
 
-  svgcairo = overrideCabal super.svgcairo (drv: {
-    patches = [
-      # Remove when https://github.com/gtk2hs/svgcairo/pull/10 gets merged.
-      (pkgs.fetchpatch {
-        url = "https://github.com/gtk2hs/svgcairo/commit/df6c6172b52ecbd32007529d86ba9913ba001306.patch";
-        sha256 = "128qrns56y139vfzg1rbyqfi2xn8gxsmpnxv3zqf4v5spsnprxwh";
-      })
-      # The update here breaks svgcairo:
-      # https://github.com/NixOS/nixpkgs/commit/08fcd73d9dc9a28aa901210b259d9bfb3c228018
-      # and updating the call to the header with the correct name fixes it.
-      (pkgs.fetchpatch {
-        url = "https://github.com/dalpd/svgcairo/commit/4dc6d8d3a6c24be0b8c1fd73b282ff247e7b1e6f.patch";
-        sha256 = "1pq9ld9z67zsxj8vqjf82qwckcp69lvvnrjb7wsyb5jc6jaj3q0a";
-      })
-    ];
-  });
+  svgcairo = appendPatches super.svgcairo [
+    # Remove when https://github.com/gtk2hs/svgcairo/pull/12 goes in.
+    (pkgs.fetchpatch {
+      url = "https://github.com/gtk2hs/svgcairo/commit/348c60b99c284557a522baaf47db69322a0a8b67.patch";
+      sha256 = "0akhq6klmykvqd5wsbdfnnl309f80ds19zgq06sh1mmggi54dnf3";
+    })
+    # Remove when https://github.com/gtk2hs/svgcairo/pull/13 goes in.
+    (pkgs.fetchpatch {
+      url = "https://github.com/dalpd/svgcairo/commit/d1e0d7ae04c1edca83d5b782e464524cdda6ae85.patch";
+      sha256 = "1pq9ld9z67zsxj8vqjf82qwckcp69lvvnrjb7wsyb5jc6jaj3q0a";
+    })
+  ];
 
   # Missing -Iinclude parameter to doc-tests (pull has been accepted, so should be resolved when 0.5.3 released)
   # https://github.com/lehins/massiv/pull/104