Fix keypad page up

This bug was always present in the key map.

Author: jepler

supervisor/shared/usb/host_keyboard.c

@@ -133,7 +133,7 @@ STATIC struct keycode_mapper keycode_to_ascii[] = {
     { HID_KEY_ENTER, HID_KEY_SLASH, 0, 0, "\r\x1b\10\t -=[]\\#;'`,./" },
 
     { HID_KEY_KEYPAD_DIVIDE, HID_KEY_KEYPAD_DECIMAL, 0, FLAG_NUMLOCK | FLAG_STRING,
-      "/\0" "*\0" "-\0" "+\0" "\n\0" CURSOR_END SEP CURSOR_DOWN SEP CURSOR_PGDN SEP CURSOR_LEFT SEP NOTHING SEP CURSOR_RIGHT SEP CURSOR_HOME SEP CURSOR_UP SEP CURSOR_PGDN SEP CURSOR_INS SEP CURSOR_DEL},
+      "/\0" "*\0" "-\0" "+\0" "\n\0" CURSOR_END SEP CURSOR_DOWN SEP CURSOR_PGDN SEP CURSOR_LEFT SEP NOTHING SEP CURSOR_RIGHT SEP CURSOR_HOME SEP CURSOR_UP SEP CURSOR_PGUP SEP CURSOR_INS SEP CURSOR_DEL},
     { HID_KEY_KEYPAD_DIVIDE, HID_KEY_KEYPAD_DECIMAL, 0, 0, "/*-+\n1234567890." },
 
     { HID_KEY_INSERT, HID_KEY_ARROW_UP, 0, FLAG_STRING | FLAG_CTRL, CTRL_INS SEP CTRL_HOME SEP CTRL_PGUP SEP CTRL_DEL SEP CTRL_END SEP CTRL_PGDN SEP CTRL_RIGHT SEP CTRL_LEFT SEP CTRL_DOWN SEP CTRL_UP},