treewide: Per RFC45, remove all unquoted URLs

pkgs/tools/networking/p2p/azureus/default.nix

@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "azureus-2.3.0.6";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://tarballs.nixos.org/Azureus2.3.0.6.jar;
+    url = "http://tarballs.nixos.org/Azureus2.3.0.6.jar";
     sha256 = "1hwrh3n0b0jbpsdk15zrs7pw175418phhmg6pn4xi1bvilxq1wrd";
   };
 #  buildInputs = [unzip];

pkgs/tools/networking/p2p/rtorrent/default.nix

@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://rakshasa.github.io/rtorrent/;
+    homepage = "https://rakshasa.github.io/rtorrent/";
     description = "An ncurses client for libtorrent, ideal for use with screen, tmux, or dtach";
 
     platforms = platforms.unix;

pkgs/tools/networking/p2p/seeks/default.nix

@@ -58,7 +58,7 @@ stdenv.mkDerivation {
 
     license = stdenv.lib.licenses.agpl3Plus;
 
-    homepage = http://www.seeks-project.info/;
+    homepage = "http://www.seeks-project.info/";
 
     maintainers = [
       stdenv.lib.maintainers.matejc

pkgs/tools/networking/p2p/tahoe-lafs/default.nix

@@ -86,7 +86,7 @@ pythonPackages.buildPythonApplication rec {
       such a way that it remains available even when some of the peers
       are unavailable, malfunctioning, or malicious.
     '';
-    homepage = http://tahoe-lafs.org/;
+    homepage = "http://tahoe-lafs.org/";
     license = [ lib.licenses.gpl2Plus /* or */ "TGPPLv1+" ];
     maintainers = with lib.maintainers; [ MostAwesomeDude ];
     platforms = lib.platforms.gnu ++ lib.platforms.linux;