Fix #499: add fflush() as well

src/nnn.c

@@ -1710,6 +1710,9 @@ static int spawn(char *file, char *arg1, char *arg2, const char *dir, uchar flag
 		if (flag & F_NORMAL) {
 			if (flag & F_CONFIRM) {
 				printf("%s", messages[MSG_CONTINUE]);
+#ifndef NORL
+				fflush(stdout);
+#endif
 				while (getchar() != '\n');
 			}
 			refresh();