Fix client to log long input lines untruncated

They can still get split by output arriving between two reads from
input, but that's unavoidable, because the client is designed to read
and write big chunks, not lines.

src/client/play.c

@@ -432,11 +432,11 @@ recv_input(int fd, struct ring *inbuf)
 	assert(ch != EOF);
 	if (ch != '\r' && lbuf_putc(&cmdbuf, ch) > 0) {
 	    line = lbuf_line(&cmdbuf);
-	    if (auxfp)
-		fputs(line, auxfp);
 	    save_input(line);
 	    lbuf_init(&cmdbuf);
 	}
+	if (auxfp)
+	    putc(ch, auxfp);
     }
 
     return res;