rdiff-backup: bump revision for librsync

Library/Formula/rdiff-backup.rb

@@ -1,8 +1,9 @@
 class RdiffBackup < Formula
   desc "Backs up one directory to another--also works over networks"
   homepage "http://rdiff-backup.nongnu.org/"
-  url "http://download.savannah.nongnu.org/releases/rdiff-backup/rdiff-backup-1.2.8.tar.gz"
+  url "http://savannah.nongnu.org/download/rdiff-backup/rdiff-backup-1.2.8.tar.gz"
   sha256 "0d91a85b40949116fa8aaf15da165c34a2d15449b3cbe01c8026391310ac95db"
+  revision 1
 
   bottle do
     cellar :any
@@ -19,6 +20,12 @@ class RdiffBackup < Formula
 
   depends_on "librsync"
 
+  # librsync 1.x support
+  patch do
+    url "http://pkgs.fedoraproject.org/cgit/rdiff-backup.git/plain/rdiff-backup-1.2.8-librsync-1.0.0.patch"
+    sha256 "a00d993d5ffea32d58a73078fa20c90c1c1c6daa0587690cec0e3da43877bf12"
+  end
+
   def install
     # Find the arch for the Python we are building against.
     # We remove 'ppc' support, so we can pass Intel-optimized CFLAGS.