Fixed send_protected_args() to send "." in place of an empty arg.

rsync.c

@@ -220,16 +220,19 @@ void send_protected_args(int fd, char *args[])
 	if (DEBUG_GTE(CMD, 1))
 		print_child_argv("protected args:", args + i + 1);
 	do {
+		if (!args[i][0])
+			write_buf(fd, ".", 2);
 #ifdef ICONV_OPTION
-		if (convert) {
+		else if (convert) {
 			INIT_XBUF_STRLEN(inbuf, args[i]);
 			iconvbufs(ic_send, &inbuf, &outbuf,
 				  ICB_EXPAND_OUT | ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE);
 			outbuf.buf[outbuf.len] = '\0';
 			write_buf(fd, outbuf.buf, outbuf.len + 1);
 			outbuf.len = 0;
-		} else
+		}
 #endif
+		else
 			write_buf(fd, args[i], strlen(args[i]) + 1);
 	} while (args[++i]);
 	write_byte(fd, 0);