bird: add patch for babel iface reconfiguration

pkgs/servers/bird/default.nix

@@ -13,7 +13,11 @@ stdenv.mkDerivation rec {
   buildInputs = [ readline libssh ];
 
   patches = [
-    (./. + "/dont-create-sysconfdir-${builtins.substring 0 1 version}.patch")
+    ./dont-create-sysconfdir-2.patch
+    (fetchurl {
+      url = "https://gitlab.nic.cz/labs/bird/-/commit/fcb4dd0c831339c4374ace17d8f2ae6ebfeed279.patch";
+      sha256 = "sha256-PEgpRnOGLa1orHJDEHlblnVhBVv7XOKPR70M1wUMxMQ=";
+    })
   ];
 
   CPP="${stdenv.cc.targetPrefix}cpp -E";

pkgs/servers/bird/dont-create-sysconfdir-1.patch

@@ -1,6 +0,0 @@
---- a/tools/Makefile.in
-+++ b/tools/Makefile.in
-@@ -68,2 +68,2 @@
- install: all
--	$(INSTALL) -d $(DESTDIR)/$(sbindir) $(DESTDIR)/$(sysconfdir) $(DESTDIR)/$(runstatedir)
-+	$(INSTALL) -d $(DESTDIR)/$(sbindir) $(DESTDIR)/$(sysconfdir)