Fix bug 1538463.

CRT.c

@@ -160,6 +160,7 @@ void CRT_done() {
 int CRT_readKey() {
    nocbreak();
    cbreak();
+   nodelay(stdscr, FALSE);
    int ret = getch();
    halfdelay(CRT_delay);
    return ret;

TraceScreen.c

@@ -165,4 +165,5 @@ void TraceScreen_run(TraceScreen* this) {
    kill(child, SIGTERM);
    waitpid(child, NULL, 0);
    fclose(strace);
+   CRT_enableDelay();
 }