fix self-recover prompting on windows

the prompting on Windows wasn't working correctly if a prior game had crashed
and the self-recover feature was trying to kick in. This impacts tty, curses,
and mswin (GUI).

win/share/safeproc.c

@@ -538,7 +538,7 @@ stdio_raw_print(str)
 const char *str;
 {
     if (str)
-        fprintf(stdout, "%s\n", str);
+        fprintf(stdout, "%s", str);
     return;
 }