RIOT-OS/RIOT — pull request #1401 by LudwigOrtmann (2014-07-11 14:26:56+00:00)
Title: sys/shell: fix error when not using sixlowpan

```
/sys/shell/commands/sc_net_if.c:631:27: error: ‘IPV6_MAX_ADDR_STR_LEN’ undeclared (first use in this function)
char addr_str[IPV6_MAX_ADDR_STR_LEN];
^
```