Patch by Daniel Baumann <daniel@debian.org> for librsync >= 0.9.7, which makes
rdiff aware of -i and -z getopt options mentioned in --help output. For further
information, please have a look to Debian bug ID #435894.

Proposed to librsync upstream via https://github.com/librsync/librsync/pull/24

--- librsync-0.9.7/rdiff.c			2004-09-17 23:35:50.000000000 +0200
+++ librsync-0.9.7/rdiff.c.getopt		2008-12-20 13:45:58.000000000 +0100
@@ -97,8 +97,8 @@
     { "sum-size",    'S', POPT_ARG_INT,  &strong_len },
     { "statistics",  's', POPT_ARG_NONE, &show_stats },
     { "stats",        0,  POPT_ARG_NONE, &show_stats },
-    { "gzip",         0,  POPT_ARG_NONE, 0,             OPT_GZIP },
-    { "bzip2",        0,  POPT_ARG_NONE, 0,             OPT_BZIP2 },
+    { "gzip",        'z', POPT_ARG_NONE, 0,             OPT_GZIP },
+    { "bzip2",       'i', POPT_ARG_NONE, 0,             OPT_BZIP2 },
     { "paranoia",     0,  POPT_ARG_NONE, &rs_roll_paranoia },
     { 0 }
 };