Update FLTK and TigerVNC; doesn't fix TigerVNC Xvnc build per se

pkgs/build-support/fetchsvn/builder.sh

···
 # server's certificate.  This is perfectly safe: we don't care
 # whether the server is being spoofed --- only the cryptographic
 # hash of the output matters. Pass in extra p's to handle redirects.
-printf 'p\np\np\n' | svn export ${ignoreExternals:+--ignore-externals} \
+printf 'p\np\np\n' | svn export --trust-server-cert --non-interactive ${ignoreExternals:+--ignore-externals} \
     -r "$rev" "$url" "$out"
 
 stopNest

pkgs/development/libraries/fltk/fltk13.nix

···
 
 let inherit (composableDerivation) edf; in
 
-let version = "1.3.0"; in
+let version = "1.3.2"; in
 composableDerivation.composableDerivation {} {
   name = "fltk-${version}";
 
   src = fetchurl {
-    url = "ftp://ftp.easysw.com/pub/fltk/${version}/fltk-${version}-source.tar.gz";
-    sha256 = "075j6ljx4dfg9rnkardn24y0f26ylpakm0yylg6a9kllha07c1lr";
+    url = "http://fltk.org/pub/fltk/${version}/fltk-${version}-source.tar.gz";
+    sha256 = "1974brlk723095vf8z72kazq1cbqr9a51kq6b0xda6zkjkgl8q0p";
   };
 
   propagatedBuildInputs = [ x11 inputproto libXi freeglut ];

pkgs/tools/admin/tigervnc/default.nix

···
 with stdenv.lib;
 
 stdenv.mkDerivation rec {
-  # Release version = "1.2.0";
-  revision = 5005;
+  # Release version = "1.3.0";
+  revision = 5129;
   version = "r${toString revision}";
   name = "tigervnc-${version}";
 
···
     # Release url = "mirror://sourceforge/tigervnc/${version}/${name}.tar.gz";
     url = "https://tigervnc.svn.sourceforge.net/svnroot/tigervnc/trunk";
     rev = revision;
-    sha256 = "2401e0ede9a2d50a37caeb094e5e832d24878749239578f44ae2acd42de01b43";
+    sha256 = "1qszlqr8z16iqkm05gbs0knj4fxc3bb6gjayky1abmf8pjazi0j8";
   };
 
   inherit fontDirectories;