Simplify the --with-rsync-path option implementation. Can directly pass

the double-quotes to AC_DEFINE_UNQUOTED instead of having a separate step.

configure.in

@@ -42,8 +42,7 @@ AC_ARG_WITH(rsync-path,
 	[  --with-rsync-path=PATH  set rsync path used on server to PATH (default: "rsync")],
 	[ RSYNC_PATH="$with_rsync_name" ],
 	[ RSYNC_PATH="rsync" ])
-RSYNC_PATH="\"$RSYNC_PATH\""
-AC_DEFINE_UNQUOTED(RSYNC_PATH, $RSYNC_PATH, [ ])
+AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [ ])
 
 dnl Checks for programs.
 AC_PROG_CC