Bug#708088: shellinabox: cannot input some symbols

[SASAJIMA,Toshihiro]

I made a patch.

add ascii keycode.
--- a/shellinabox/vt100.js
+++ b/shellinabox/vt100.js
@@ -2933,8 +2933,10 @@
   // } 107
   var asciiKey                  =
     event.keyCode ==  32                         ||
-    event.keyCode >=  48 && event.keyCode <=  57 ||
-    event.keyCode >=  65 && event.keyCode <=  90;
+    event.keyCode == 160                         ||
+    event.keyCode == 173                         ||
+    event.keyCode >=  48 && event.keyCode <=  58 ||
+    event.keyCode >=  64 && event.keyCode <=  90;
   var alphNumKey                =
     asciiKey                                     ||
     event.keyCode ==  59 ||