#4 UIP does not set correct length for ICMP packet

[Adrian]

The following packet (Ping packet) passed through to uip_input will return a reply packet that is 14 bytes too short.

0x00,0x01,0x6C,0xAA,0x37,0x47,0x00,0x0B,0x6A,0x5A,0x35,0xD4,0x08,0x00,0x45,0x00,0x00,0x3C,0x6E,0x63,0x00,0x00,0x80,0x01,0x4A,0xE7,0xC0,0xA8,0x00,0x14,0xC0,0xA8,0x00,0x12,0x08,0x00,0x62,0x52,0x02,0x00,0xE9,0x09,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69